APDCL Previous Years Question Paper for Asst Accounts Officer AAO
Previous year exam for APDCL AAO had two papers, viz. Paper 1 contains General English and General Knowledge and Paper 2 had General Mathematics and one of optional subjects of Accountancy/Statistics/Mathematics.
Here Paper 2 is discussed.
PART A: GENERAL MATHEMATICS
1. General solution of the equation 1 + Cos x = 0 is
a) {π/2 + 2nπ} b) {- π/2 + 2nπ} c) {π+ 2nπ} d) None of these
2. If a+ib= c+id, then it must be tru that
a) a=c, & b=d b) a= -c & b=d c) a=d & b=c d) ad=bc
3. Harmonic mean between two numbers ‘a’ and ‘b’ is
a) (a+b) /2 b) 2ab/(a+b) c) ab d) (a+b)/ab
4. If nC6 = nC12, then n equals
a) 18 b) 12 c) 6 d) 20
5. The numbers of terms in the expansion of (a+b) n is
a) n b) n+1 c) 2 n d) 2 n – 1
6. Any point on the line y = x is of the form :
a) (a, a) b) (0, a) c) (a, 0) d) (a, – a)
7. The equation of the line whose graph passes through the origin, is :
a) 2x + 3y = 1 b) 2x + 3y = 0 c) 2x + 3y = 6 d) none of these
8. The equation of y-axis is :
a) y = 0 b) x = a c) y = a d) x = 0
9. Real part of (2+i)/i is equal to
a) 1 b) 2 c) -1 d) ½
10. If roots of the equation ax2 + bx + 1 = 0 are equal, the value of k will be…
a) ab2- 4=0 b) b2- 4a=0 c) a2- 4b=0 d) b2- 4ab=0
11. If A =[5,6,7] and B=[7,8,9]then A U B is equal to: (a) [5,6,7,8,9] b) [5,6,7] c) [7,8,9] d) [7]
12. In 2nd quadrant? (a) x>0, y<0 b) x<0, y<0 c) x>0, y>0 d) x<0, y>0
13. The intersection of sets A and B is expressed as: (a) AUB b) A/B c) AՈB d)AXB
14. Empty set is a : a) Invalid set b) Finite set c)Infinite set d) None of above
15. If x/y=3/2 then (2x+3y)/(6x+5y) =?
(a)4/9 b)3/7 c)9/7 d)7/17
16. If salary of Ram is 25% more than the salary of Shyam, then the salary of Shyam is less than the salary of Ram in percentage is
(a) 10% b) 15% c) 20% d) 25%
17. Four angles of a quadrilateral are in the ratio 1 : 2 : 3 : 4. Find them.
(a) 36°, 72°, 108°, 144° b) 350, 700, 1050, 1400
c) 400, 800,1200,1600 d) 250, 500, 750, 1000
18. Find the false statement
a) Line segment joining the centre to any point on the circle is a radius of the circle.
b) If a circle is divided into three equal arcs, each is a major arc.
c) A chord of a circle, which is twice as long as its radius, is a diameter of the circle. .
d) A circle is a plane figure.
19. A bag contains 4 red and 6 black balls. A ball is taken out of the bag at random. Find the probability of getting of black ball.
(a) 3/5 b) 5/3 c) 3/7 d) 2/5
20. The condition that the equation ax + by + c = 0 represent a linear equation in two variables is
(a) a ≠ 0, b = 0 b) b ≠ 0, a = 0 c) a = 0, b = 0 d) a ≠ 0, b ≠ 0
21. The graph of the linear equation 2x + 3y = 9 cuts y-axis at the point:
(a) 9/2 , 0 b) (0, 9) c) (0, 3) d) (3,1)
22. Find the value of x from = – 4
(a) 3 b) – 3 c) 1/3 d) 4
23. Zero s of the quadratic polynomial are
(a) 0, -2 b) 2, -2 c) 0, 2 d) 1, 0
24. The product of two consecutive positive integers is 306. What are the integers?
a) 16, 17 b) 17, 18 c) 18, 19 d) 19, 20
25. Write first four terms of the A.P. when the first term a and the common difference d are given as follows a = − 1 d = ½
(a) 1, ½. 0 and -1/2 b) -1, ½. -1/2 and 1 c) -1, -1/2, 0 and 1/2 d) 1, -1/2, 1 and 0
26. All circles are :
a) Congruent b) Both Congruent and similar
c) neither congruent nor similar d) similar
27. In ΔABC right angled at B, AB = 24 cm, BC = 7 m. Determine sin A, cos A
a) 24/25, 7/25 b) 8/25, 24/25 c) 8/25, 7/ 25 d) 7/25, 24/25
28. If an AP has a=1, tn =20 and Sn=399 then value of n is:
a) 20 b) 32 c) 38 d) 40
29. In terms of powers of prime numbers, 1260 can be written as :
a) 22 × 3 × 52 b) 22 × 32 × 5 × 7 c) 2 × 32 × 52 × 7 d) 22 × 3 × 5 × 72
30. 0.35% expressed as a decimal, is equal to :
a) 0.35 b) 0.035 c) 0.0035 d) 3.5
31. The product of (2 x – 3 )and (2 x + 3) is :
a) 2×2 – 3 b) 4×2 – 3 c) 4×2 – 9 d) 4×2 + 9
32. In a frequency distribution, the class mark of a class is 10 and its width is 5. The lower limit of class is:
a) 5 b) 7.5 c) 10 d) 12.5
33. —- is a collection of well defined and distant objects
a) Set b) Conjugate c) Power d) Relation
34. Additive inverse of “0” is
a) 1 b) -1 c) 0 d) 2
35. Find the distance between the points (2, 3), and (4, 1):
a) 33 b) 22 c) 23 d) 32
36. 3x2y+5 is a polynomial of degree
a) one b) two c) three d) zero
37. Factors of x2 – 5x + 6 are
a) (x+6)(x+1) b) (x-2)(x+3) c) (x+2)(x+3) d) (x+1)(x-6)
38. HFC of a3+b3 and a2- ab+ b2 is
a) a2- ab+ b2 b) (a+b)3 c) (a2+b2) d) (a+b)
39. Two equations in two variable which are true for the same ordered pair are called —– equations
a) Cubical b) Quadratic c) Simultaneous d) Radical
40. The Cartesian coordinate system is also called
a) Binary b) Functional c) Denary d) Rectangular
41. √ 2 is a __________ number.
a) Rational b) irrational c) Prime d) None
42. Trivial solution of homogeneous linear equation is
a) (1, 0, 0) b) (0, 1, 0) c) (0, 0, 1) d) (0,0,0)
43. The general term of the sequenced 2, 4, 6, 8, ….. is
a) N b) 2n c) 2n – 1 d) n2
44. 0! = ?
a) 1 b) 0 c) undefined d) None
45. nCr in factorial form is :
a) n!r / (n-n)! b) n! / r! (n-r)! c) n! d) n! –r / n!
46. 1 + 2 + 3 + ………..+ (n -1)= ?
a) n (n-1) /2 b) n (n+1)/2 c) (n-1)(n+1)/2 d) [ n(n+1)]2/2
47. (1-Cos2 θ) (1+Cot2 θ) = ?
a) Sin2 θ b) Cos2 θ c) Cosec2 θ d) 1
48. Cos (α + β) = ?
a) Sin α cos β + cos α sin β b) Sin α cos β – cos α sin β
c) cos α cos β – sin α sin β d) cos α cos β + sin α sin β
49. ‘Sine’ and ‘cosine’ are periodic function whose period is :
a) л / 2 b) л c) 2 л d) 4 л
50. The inverse exists only for the function which is:
a) One to one b) onto c) into d) All of these
PART B: ACCOUNTANCY/STATISTICS/MATHEMATICS
(ANSWER ANY ONE SUBJECT)
ACCOUNTANCY
51. Central Excise duty is an indirect tax levied by:
a) Union Government
b) State Governments
c) Both Union and State Governments
d) None of the above.
52. The Customs Act, 1962 covers :
a) Import duties only
b) Export duties only
c) Both Import and Export duties
d) None of the above
53. A debenture holder is a:
a) Creditor of the Company
b) Debtor of the Company
c) Employee of the Company
d) None of the above
54. A Debenture holder gets:
a) Dividend from the Company
b) Interest from the Company
c) Both Dividend and Interest from the Company
d) None of the Above
55. A Company limited by shares if permitted by Articles and passed a resolution in the general meeting to this effect, can do:
a) Increase capital only
b) consolidate capital only.
c) convert capital into stock only
d) All of the above
56. A Company can reduce capital if:
a) only Articles of Association permits
b) only a special resolution has been passed to this effect
c) only the national company law tribunal approves it
d) all of the above three jointly
57. Reduction of capital under section 100 involves:
a) only reduction of unpaid call on shares
b) only cancellation of paid up capital of shares
c) only return of a part of paid up capital to its shareholders
d) all of them.
58. A company can be voluntarily wound up by members if:
a) the directors give a declaration of solvency
b) the auditors give a declaration of solvency
c) the creditors give consent
d) None of the above.
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59. In order to be a holding company, a company must acquire:
a) All the equity shares
b) Majority of equity shares with voting rights
c) Power to compose the board of Directors
d) Any one of the above.
60. A consolidated Balance Sheet of a holding company must contain:
a) all the assets and liabilities of the subsidiary companies
b) proportionate assets and liabilities of the subsidiary companies
c) all the shares of the subsidiary companies
d) None of the above.
61. The cost of control for acquiring of the shares of the subsidiary companies may show :
a) Goodwill
b) Capital Reserve
c) Nil
d) Any of the above
62. A consolidated Balance Sheet is:
a) Principal Balance Sheet of the holding company
b) A Substitute Group Balance Sheet
c) A statutory Balance Sheet
d) None of the above
63. The transfer of an entry from journal to ledger is known as:
a) Vouching
b) Transaction
c) Posting
d) Auditing
64. A Trial Balance is prepared to ascertain the:
a) Arithmetical accuracy of the books of accounts
b) Profit or loss of the business
c) Assets and liabilities of the business
d) None of the above.
65. Transactions are:
a) Any events
b) Only Monetary Events
c) Both Monetary and non-monetary events
d) Only non-monetary events
66. In case of a Paper Transaction:
a) Money is to be paid later on
b) Money is to be paid immediately
c) Money is not to be paid at all
d) None of the above
67. Which of the following events is not a transaction?
a) Payment of children’s school fees
b) Receipt of income-tax refund
c) Withdrawing of money from bank for personal use
d) None of the above.
68. Net working capital is the:
a) Excess of current liabilities over current assets
b) Excess of current assets over current liabilities
c) Excess of fixed assets over long term liabilities
d) Excess of total profits over expected profits.
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69. Margin of Safety is:
a) Excess of Break-even Sales over total sales
b) Excess of total sales over Break-even Sales
c) Excess of maximum stock level over minimum stock level
d) None of the above.
70. At Economic Order Quantity:
a) Carrying Cost and Buying Cost are equal
b) Carrying Cost is more than Buying Cost
c) Buying Cost is more than Carrying Cost
d) Sum of Carrying Cost and Buying Cost is equal to Total Cost.
71. In case of Dissolution of a Partnership Firm, the following Account is prepared:
a) Revaluation Account
b) Realisation Account
c) Profit & Loss Account
d) Income & Expenditure Account
72. A & B are partners sharing profits as 2:1. C is admitted for 1/4ths share. The sacrificing ratio is:
a) 4:1
b) 8:1
c) 2:1
d) None of the above
73. A & B are partners sharing profits as 3:2. C has been admitted in the firm. The new ratio of A, B and C is 2:1:2. The sacrificing ratio is:
a) 1:1
b) 3:2
c) 1:2
d) 5:1
74. Test Check enables the Auditor to:
a) Reduce his work burden only
b) Reduce his responsibility only
c) Reduce both his work burden and his responsibility
d) All of the above.
75. Receipts & Payments Account records:
a) Cash transactions only
b) Credit transactions only
c) Both Cash & Credit transactions
d) None of the above
76. The Accountant of a Company forgot to record the payment of Rs. 5,000/- made to a temple for donation. It is:
a) Error of Principle
b) Error of Commission
c) Error of Duplication
d) None of the above
77. Which of the following items does not come under the head, “Income from Salaries”?
a) wages
b) pension
c) gratuity
d) None of the above
78. Cost Inflation Index is applicable in the case of:
a) Long-term Capital Gains only
b) Short-term Capital Gains only
c) Both Long-term and Short-term Capital Gains
d) None of the above.
79. As per Income-tax Act, 1961, the Deduction in respect of medical insurance premia comes under:
a) Section 80 C
b) 80 D
c) 80 E
d) 80 G.
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80. Which of the following statements is true?
a) Fixed cost is fixed per unit
b) Variable cost is variable per unit
c) Fixed cost is fixed only in the short period
d) None of the above.
81. Accounting Standard-3 describes :
a) Cash Flow Statement
b) Funds Flow Statement
c) Balance Sheet
d) Income Statement
82. International Accounting Standard Committee was formed in the year:
a) 1977
b) 1973
c) 1920
d) 1949
83. Valuation of Inventories is described by:
a) AS-6
b) AS-4
c) AS-10
d) AS-2
84. IFRSs are issued by:
a) IASC
b) IASB
c) ICAI
d) ICWA.
85. Accounting is a language of
a) Assets
b) Liabilities
c) Business
d) Balance Sheet
86. Which of the following organisations is not connected to the accounting Standard Setting process in India?
a) Accounting Standard Board ( ASB)
b) Institute of Chartered Accountants of India (ICAI)
c) Assam Industrial Development Corporation ( AIDC)
d) Institute of Cost and Works Accountants of India (ICWAI)
87. Disclosure of Accounting Policies is covered by
a) AS 1
b) AS 10
c) AS 12
d) AS 20
88. Accounting for Amalgamation is covered by
a) AS 6
b) AS 9
c) AS 14
d) AS 21
89. International Accounting Standards Board (IASB) was founded on
a) April 1, 2012
b) April 1, 2001
c) April 1, 1973
d) April 1, 1956
90. Debtors Ledger records
a) All credit transactions
b) Only credit sales
c) Both credit and cash transactions
d) None of the above
91. The source of information for credit sales is
a) Cash Book
b) Returns Outward Book
c) Journal Proper
d) Sales Day Book
92. Bad Debts previously written off, now recovered is recorded in
a) Total Debtors Account
b) Total Creditors Account
c) Cash Book
d) None of the above
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93. Cash collected from customers is entered in
a) Debit side of Total Debtors Account
b) Credit side of Total Debtors Account
c) Both Total Debtors and Total Creditors Account
d) None of the above
94. Under Self Balancing System, Trial Balance in prepared in
a) Only Debtors Ledger
b) Only Creditors Ledger
c) Only General Ledger
d) Each of the above three Ledgers
95. Under Hire Purchase System, ownership of goods passes from seller to buyer
a) After Down Payment is made
b) After payment of the last instalment
c) After signing the agreement
d) None of the above
96. Under Hire Purchase System, Down Payment includes
a) Interest for the first instalment
b) Interest for all the instalments
c) No Interest
d) Interest for the Cash Price
97. Hire Purchase Price means
a) Total Payments to be made by the buyer including interest
b) Only Cash Price
c) Cash Price Plus Down Payment
d) None of the above
98. The Hire Purchase agreement gives the buyer the right to get the possession of the goods
a) Immediately after signing the agreement
b) After the last payment is made
c) After Down Payment is made
d) None of the above.
99. Shortworking means
a) Excess of minimum rent over actual royalty
b) Excess of actual royalty over minimum rent
c) Difference between shortworking lapsed and shortworking recouped
d) None of the above
100. The agreement in connection with ‘Royalty’ is subject to the provisions of the
a) Indian Companies Act, 1956
b) Indian Partnership Act, 1932
c) Indian Contract Act, 1972
d) Income Tax Act, 1961
101. In the books of the lessee, the ‘Royalty’ account is closed by transferring to
a) Profit and Loss A/c
b) Manufacturing A/c
c) Trading A/c
d) Any of the above
102. In the books of the lessor, Shortworking lapsed is a
a) Loss
b) Gain
c) Liability
d) None of the above
103. For recoupment of past Shortworking, in the books of the lessee
a) Landlord A/c is debited
b) Landlord A/c is credited
c) Shortworking A/c is debited
d) None of the above.
104. Receipts and Payments account generally starts with
a) Closing balance of cash
b) Closing balance of bank
c) Opening balance of cash and bank
d) Opening balance of cash and/or bank
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105. Receipts and Payments account records the transactions of
a) capital nature only
b) revenue nature only
c) both capital and revenue nature
d) None of the above.
106. Income and expenditure account is
a) Just like Balance sheet
b) Just like Profit and Loss account
c) Just like Cash book
d) None of the above.
107. Life membership fee is a
a) Capital receipt
b) Revenue receipt
c) Capital expenditure
d) None of the above
108. Not for profit organisation prepares
a) Income and expenditure acount
b) Trading account
c) Profit and Loss account.
d) None of the above.
109. Income and expenditure account shows
a) Cash in hand
b) Cash at bank
c) Capital expenditure
d) Excess of income over expenditure.
110. Subscription received in advance is treated as
a) An income
b) An asset
c) Capital
d) A liability.
111. Profit on sale of old furniture of a club is shown on the
a) Credit side of Profit and Loss A/c
b) Income side of Income and Expenditure account
c) Both credit side and debit side of expenditure account
d) None of the above.
112. The minimum number of partners in a firm is:
a) Three
b) Two
c) Ten
d) Twenty
113. If the partnership deed is silent, Interest on partners’ loan is allowed @:
a) 4%
b) 6%
c) 5%
d) 10%
114. When a new partner pays cash for goodwill, the amount is credited to:
a) Premium for goodwill Account
b) Partner’s loan Account
c) New partner’s Drawings Account
d) Investment Account
115. On the admission of a new partner, the increase in the values of assets is
a) Debited to Revaluation Account
b) Credited to Revaluation Account
c) Transferred to Reserve Account
d) None of the above
116. Profit on revaluation of assets and liabilities is shared by the old partners in:
a) Sacrificing ratio
b) New ratio
c) Old ratio
d) Gaining ratio
117. A company is :
a) An artificial person
b) A Natural person
c) A Club
d) Non-trading organisation
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118. Shareholders are:
a) Creditors of the company
b) Employees of the company
c) Officers of the company
d) None of the above
119. Shares can be forfeited due to :
a) Non-payment of Bank loan
b) Non-payment of Call money
c) Failure to attend meeting
d) None of the above
120. Premium on issue of shares should be shown on the :
a) Asset side of the Balance Sheet
b) Liability side of the Balance Sheet
c) Credit side of the Profit & Loss Account
d) Debit side of the Profit & Loss Account
121. Profit & Loss Account is also known as:
a) Income & Expenditure Account
b) Position Statement
c) Cash Flow statement
d) None of the above
122. Current ratio is the relation between:
a) Current Asset and fixed Asset
b) Current Asset and Net profit
c) Current Asset and Investment
d) None of the above
123. If current ratio is 2:1 and Current assets are Rs. 5,00,000/-, then Current liabilities are:
a) Rs. 3,00,000/-
b) 10,00,000/-
c) 1,00,000/-
d) None of the above.
124. AS-9 deals with:
a) the principle of Revenue Recognition
b) Depreciation
c) Amalgamation of Companies
d) Disclosure of Accounting Policies.
125. The difference between goods sent to branch and goods received by branch represents:
a) Cash in transit
b) Cash lost in transit
c) goods lost in transit
d) None of the above
126. Advertisement expenses are apportioned among different departments on the basis of:
a) Purchases
b) Profits
c) Production
d) Sales.
127. Goodwill is :
a) An intangible asset
b) A tangible asset
c) A Current asset
d) None of the above.
128. Super Profit is the:
a) Excess of normal profit over actual profit
b) Excess of actual profit over normal profit
c) Excess of gross profit over net profit
d) Excess of current year’s profit over previous year’s profit.
129. ‘Bank of Last Resort’ represents :
a) BOI
b) SBI
c) UBI
d) RBI
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130. Working capital is the:
a) Excess of current assets over current liabilities
b) Excess of current liabilities over current asset
c) Excess of fixed assets over current liabilities
d) Excess of fixed assets over current assets.
131. Contribution is the:
a) Excess of fixed assets over current assets
b) Excess of sales over variable cost
c) Excess of sales over current assets
d) None of the above
132. Margin of safety is the:
a) Excess B.E.P sales over actual sales
b) Excess actual sales over B.E.P sales
c) Excess fixed assets over current assets
d) None of the above
133. In absence of Partnership Deed, profits and losses of the firm are shared by partners:
a) in gaining ratio
b) in sacrificing ratio
c) in capital ratio
d) equally
134. If profit volume ratio is 40%, variable cost is:
a) 360% of sales
b) 960% of sales
c) 760% of sales
d) None of the above.
135. If sale price is Rs. 200/-, Variable cost is Rs.150/- and Fixed cost is Rs. 1,00,000/-, then B.E.P is:
a) 1,000 units
b) 2,000 units
c) 3,000 units
d) 4,000 units.
136. If Subscription received Rs. 3,00,000/-, subscription outstanding for previous year Rs. 10,000/- and subscription outstanding for the current year is Rs. 20,000/-; then the amount of subscription to be credited to Income and Expenditure account is:
a) Rs. 3,10,000/-
b) Rs. 3,20,000/-
c) Rs. 3,30,000/-
d) Rs. 3,00,000/-.
137. Balance Sheet reflects:
a) Assets Only
b) Assets, Liabilities and Capital
c) Assets, Liabilities, Capital, income and expenses
d) All of the above
138. Balance sheet provides information of financial position of the enterprise:
a) at a point of time
b) over a period of time
c) for a period of time
d) None of the above.
139. Liquid assets consist of :
a) Current assets – Inventory
b) Current Assets – Inventories – Prepaid Expenses
c) All Current Assets
d) Profitability Ratio
140. Return on Capital is measured by:
a) Acid Test Ratio
b) Activity Ratio
c) Debt-Equity Ratio
d) Profitability Ratio
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141. ROI is calculated on:
a) Capital employed
b) Total Assets
c) Share Capital
d) None of the above.
142. Which of the following items results into an application of fund ?
a) Payment of Dividend
b) Issue of Share Capital
c) Sale of plant
d) None of the above.
143. Dividend received on shares held as investments is a cash flow from:
a) Financing activity
b) Investing activity
c) Operating activity
d) Any of the above
144. If Selling Price per unit is Rs. 12/-, Variable cost per unit is Rs. 9/-, then Profit Volume Ratio is :
a) 33.33%
b) 25%
c) 75%
d) 125%.
145. As per Income Tax Act. 1961, Previous Year starts from:
a) 1st April
b) 1st March
c) 1st January
d) 31st March.
146. The word ‘AUDIT’ has been derived from the word:
a) Audio
b) Audition
c) Audire
d) Audible.
147. In Auditing, Internal Check System means a system whereby :
a) the work of the organization is internally checked by the Auditor
b) the work of one employee is automatically checked by another employee
c) the work of the company is checked by Government
d) the works of the employees are checked by the Managing Director.
148. A voucher is :
a) a book of account
b) a transaction
c) a documentary evidence in support of a transaction
d) a technique of sample survey
149. At present, all income tax related matters are regulated in India by:
a) Income Tax Act, 1922
b) Income Tax Act, 1961
c) Income Tax Act, 1957
d) Income Tax Act, 2013.
150. Agricultural Income is fully exempt from income-tax under Section
a) 80 C of the Income Tax Act
b) 28 G of the Income Tax Act
c) 28 D of the Income Tax Act
d) 10(1) of the Income Tax Act
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STATISTICS
51. Laspeyre’s Index formula uses the weights of the:
a) Base year b) Current year
c) Both (a) and (b) d) None of the above
52. If the consumer price Index for 2015 is 800, then the purchasing power of a rupee is:
a) 0.15 paise b) 12.5 paise
c) 8 paise d) None of the above
53. In India, the collection of vital statistics started for the first time in:
a) 1920 b) 1886
c) 1969 d) 1946
54. Vital statistics are obtained through:
a) Census operation b) Registration system
c) Survey method d) All of the above
55. Vital rates are generally expressed in:
a) Percentage b) Per thousand
c) Per million d) None of the above
56. The child bearing age in India is:
a) 20-28 years b) 20-29 years
c) 15-49 years d) None of the above
57. The death rate obtained for a segment of a population is known as:
a) Specific death rate b) Crude death rate
c) Infant mortality rate d) None of the above
58. The ratio of births to the total deaths in a year is called:
a) Survival rate b) Fertility rate
c) Vital Index d) None of the above
59. The relation between NRR and GRR is:
a) NRR = 1𝐺𝑅𝑅 b) NRR > GRR
c) NRR ≤ GRR d) None of the above
60. A complete life table is constructed for an age interval of:
a) 5 years b) 10 years
c) 1 year d) None of the above
61. A population maintaining a constant growth rate is said to be a :
a) Stable population b) Stationary population
c) Mobile population d) None of the above
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62. The NRR > 1 indicates that –
a) Increase in population b) Decrease in population
c) Constant in population size d) None of the above
63. An experimental design is:
a) A map b) A plan of experiment
c) An architect d) All of the above
64. The number of principles of design of experiment is:
a) 2 b) 3
c) 5 d) 10
65. For an (5X5) LSD, the d.f for error is –
a) 12 b) 24
c) 4 d) 5
66. In RBD local control is applied in …. way direction.
a) 2 b) 3
c) 1 d) None of the above
67. In the analysis of data of RBD with ‘b’ blocks and ‘t’ treatments , the d.f for error is :
a) t(b-1) b) b(t-1)
c) (b-1)(t-1) d) None of the above
68. The method of confounding is a device to reduce the size of :
a) Experiments b) Replications
c) Blocks d) None of the above
69. In 23 factorial experiment, the number of first order interaction effect is:
a) 4 b) 7
c) 3 d) 8
70. Replication in an experiment is means:
a) The number of blocks b) Total number of treatments
c) Repetition of the treatment d) None of the above
71. In CRD with ‘t’ treatments for ‘n’ experimental units the d.f for error is:
a) t-1 b) n-1
c) n-t d) None of the above
72. If n units are selected in a sample from N population units, then the sampling fraction is given by:
a) 1𝑛⁄ b) 𝑛𝑁⁄
c) 1𝑁⁄ d) None of the above
73. The number of possible sample of size n out of N population units without replacement is:
a) Nn b) 𝑁𝑛⁄
c) NCn d) n!
-17-
74. Under proportional allocation, the size of the sample from each stratum depends on:
a) Total sample size b) Size of the stratum
c) Population size d) All of the above
75. Which of the following statement is correct?
a) V(ӯst)opt ≤ V(ӯn)R ≤ V(ӯst)prop
b) V(ӯst)opt ≤ V(ӯst)prop ≤ V(ӯn)R
c) V(ӯst)prop ≤ V(ӯst)opt ≤ V(ӯn)R
d) None of the above
76. In case of linear systematic sampling, the population size is:
a) Large b) Small
c) Multiple of sample size d) None of the above
77. When sample size increases then –
a) Sampling error increases b) Sampling error decreases
c) Sampling error remains constant d) None of the above
78. Census method is free from:
a) Non- Sampling error b) Sampling error
c) Both (a) and (b) d) None of the above
79. Errors in a statistical model are always taken to be –
a) Independent b) Distributed as N(0, σe2)
c) Both (a) and (b) d) None of the above
80. In random number table, the distribution of digits follows:
a) Normal distribution b) Uniform distribution
c) Binomial distribution d) None of the above
81. In schedule method , the questionnaire is filled by –
a) Respondent b) Enumerator
c) Investigator d) None of the above
82. From a Histogram , one can find the approximate value of –
a) Mean b) Mode
c) Median d) None of the above
83. Arithmetic mean is not independent of change of –
a) Origin b) Scale
c) Both (a) and (b) d) None of the above
84. Coefficient of variation is a ………. number.
a) Pure b) Irrational
c) Complex number d) None of the above
85. β2 is the measure of –
a) Mean b) Skewness
c) Kurtosis d) None of the above
-18-
86. The relation among μ4 , κ2 and κ4 is –
a) κ4 = μ4 b) κ4 = κ2 + μ42
c) μ4 = κ4 + 3κ22 d) None of the above
87. The best measure of dispersion is –
a) Range b) Quartile deviation
c) Mean deviation d) Standard deviation
88. Mean deviation about ………. is the least.
a) Mode b) Mean
c) Median d) Standard deviation
89. For positive skewed distribution –
a) Mean > Median > Mode
b) Mean = Median = Mode
c) Mean < Median < Mode
d) None of the above
90. For two distinct observations, which of the following is correct?
a) AM > GM > HM b) AM < GM < HM
c) AM = GM = HM d) None of the above
91. Skewness means ……….
a) Symmetry b) Lack of symmetry
c) Homogeneous d) None of the above
92. The coefficient of correlation lies between –
a) 0 to 1 b) 0 to ∞
c) -1 to 1 d) 0 to 2
93. The sign of regression coefficient depends on –
a) Mean b) Standard deviation
c) Correlation coefficient d) None of the above
94. The product of two regression coefficients can never be greater than –
a) 2 b) 0
c) 1 d) None of the above
95. The value of β2 is always –
a) 0 b) Greater than 1
c) Less than -1 d) None of the above
96. If A and B are two mutually exhaustive events, then P(AUB) is –
a) P(A) b) 1
c) 0 d) P(B)
-19-
97. If P(A/B) = P(A) then A and B are ………. events.
a) Mutually exclusive events b) Dependent
c) Independent d) Equally likely
98. If A is a certain event then P(A) is –
a) 0 b) 2
c) >0 d) 1
99. If X and Y are two …….. random variables then V(X±Y) = V(X) + V(y)
a) Any b) Independent
c) Dependent d) None of the above
100. If A and B are two independent events then –
a) Ac and Bc are also independent
b) Ac and B are also independent
c) A and Bc are also independent
d) All of the above
101. If X is a random variable, then
a) E(X2) ≥ (E(X))2 b) E(X2) = E(5X)
c) E(X2) < (E(X))2 d) E(X2) = 0
102. For two distributions with different units of measurement, the variation of
Data can be compared by –
a) Mean b) Range
c) Coefficient of variation d) Median
103. If ‘a’ and ‘b’ are constants, then V(aX ± b) = ?
a) aV(X) ± b b) aV(X) – b
c) a2V(X) d) None of the above
104. If X and Y are independent random variables, then covariance(X,Y) =?
a) 2 b) 5
c) 0 d) 1
105. Two dice are rolled together, if the probability of the event(A) that
the sum of numbers on two dice is 8, then P(A) –
a) 5/8 b) 1/2
c) 1/4 d) 5/36
106. Binomial distribution has ….. number of parameters.
a) 3 b) 1
c) 2 d) 5
107. When p=q, then the Binomial distribution will be –
a) Homogeneous b) Symmetrical
c) Skewed d) None of the above
-20-
108. Poisson distribution is –
a) Symmetrical b) Positively skewed
c) Negatively skewed d) None of the above
109. If A and B are mutually exclusive events then P(AB)= ?
a) 1 b) 3
c) 2 d) 0
110. For normal distribution –
a) β1=0 b) β2=3
c) Both (a) and (b) d) None of the above
111. If X~N(5,49) then the distribution of Y=2X is –
a) N(10,14) b) N(5,49)
c) N(10,98) d) N(10,196)
112. The area under the normal curve beyond μ ± 3σ for the variable X is –
a) 0.6826 b) 0.9544
c) 0.9973 d) 0.0027
113. If X is a random variable with mean μ then E(X-μ)r is known as –
a) Variance b) Skewness
c) Central moment of order r d) None of the above
114. When r = ±1, two regression lines will be –
a) Perpendicular b) Parallel
c) Coincide d) None of the above
115. The two regression lines passes through the point –
a) (a,b) b) (mean of X,Mean of Y)
c) (σx , σy) d) None of the above
116. Goodness of fit can be tested by –
a) t-test b) F-test
c) χ2-test d) Ƶ-test
117. For testing the equality of population variances, which of the following distribution is used.
a) Normal b) t-distribution
c) F-distribution d) None of the above
118. The degrees of freedom for student’s t based on a random sample of size n
is:
a) n-1 b) n-2
c) n d) n-3
119. For large sample test, the sample size should be –
a) 10 b) >30
c) <25 d) None of the above
-21-
120. The probability of Type-I is called –
a) Null hypothesis b) Level of significance
c) Critical region d) None of the above
121. The probability level of correct decision in case of testing a null hypothesis is:
a) Power b) Size of critical region
c) β d) None of the above
122. Which of the following is true?
a) 1-β <0 b) 1-β ≥ level of significance(α)
c) 1-β = 2 d) None of the above
123. Under the following condition Power=Level of significance –
a) When alternative hypothesis becomes null hypothesis
b) When α=β
c) When the error is zero
d) None of the above
124. Neyman-Pearson’s lemma is used –
a) For unbiased test
b) For construction of most powerful critical region
c) For minimax test
d) None of the above
125. The degree of freedom for χ2 statistic in case of contingency table of order of (3X3) is –
a) 4 b) 6
c) 9 d) 12
126. Factorization theorem is related to study the property of –
a) Unbiasedness b) Consistency
c) Sufficiency d) None of the above
127. Rejecting a null hypothesis Ho when Ho is always true is –
a) Type II error b) Type I error
c) Both (a) and (b) d) None of the above
128. In case of efficient estimator ‘t’, the V(t) is the –
a) Maximum b) Least
c) -5 d) None of the above
129. The probability of all the possible outcomes of a random experiment is equal to:
a) Infinity b) Zero
c) One d) None of the above
130. If X~N(μ,σ2), the maximum probability at the point X=μ is:
a) 1√2𝛱 e-1/2 b) 1√2𝛱𝜎
c)1√2𝛱𝜎 e-1/2 d) 1√2𝛱
-22-
131. Test of null hypothesis Ho: μ=70 vs. H1: μ>70 leads to –
a) One sided test (left)
b) One sided test(right)
c) Two failed test.
d) None of the above
132. The mean of chi-square distribution n d.o.f is –
a) 2n b) n2
c) √𝑛 d) n
133. If X is a random variable, then the moment generating function of X is given by:
a) E[ etX ] b) E[ Xt ]
c) E[ SX ] d) None of the above
134. The size of critical region under Ho is called:
a) Power b) Level of significance
c) β d) None of the above
135. Which of following distribution possessing the memoryless property :
a) Uniform b) Geometric
c) Normal d) Gamma
136. Name the following distribution for which mean and variance are equal:
a) Binomial b) Normal
c) Poisson d) Exponential
137. In case of normal population, the sample mean is –
a) Unbiased estimate b) Consistent estimator
c) Most efficient d) All of the above
138. In time series, the number of components is –
a) 5 b) 10
c) 8 d) 4
139. The long term effect in time series is known as:
a) Trend b) Seasonal
c) Cyclical d) Irregular
140. Seasonal variation in a time series is:
a) Regular movement b) Oscillatory movement
c) Period less than one year d) Both (a) and (c)
141. Method of least square to fit in the trend is applicable only if the trend is:
a) Linear b) Parabolic
c) Both (a) and (b) d) None of the above
142. If the slope of the trend line is positive, it shows:
a) Rising trend b) Declining trend
c) Stagnation d) Any one of the above
143. Index numbers are also known as:
a) Economic barometer b) Lactometer
c) Both (a) and (b) d) None of the above
-23-
144. Index numbers are generally expressed as:
a) In ratios b) In percentage
c) In thousands d) None of the above
145. Base period for an Index number should be:
a) A normal period
b) Should not be too long or too short from current period
c) Both (a) and (b)
d) None of the above
146. The ideal Index number is:
a) Laspeyre’s price Index number
b) Paache’s price Index number
c) Fisher’s price Index number
d) None of the above
147. Laspeyre’s Index number possess:
a) Downward bias b) No bias
c) Upward bias d) None of the above
148. The condition for time reversal test to be satisfied with usual notation is:
a) P01 . V01 = V01 b) P01 . P10 = 1
c) P01 . V01 = 1 d) None of the above
149. Any Index number is:
a) Pure number b) Expressed in rupees
c) Expressed in kgs d) None of the above
150. The geometric mean of Laspeyre’s and Paache’s price Index numbers is:
a) Kelly’s price Index number b) Edgeworth price Index number
c) Fisher’s price Index number d) None of the above
MATHEMATICS
51. If the function f (x) is continuous at x a then
(a) f (x) is differentiable at x a
(b) lim ( )
x a
f x
may not exist
(c) lim ( ) ( )
x a
f x f a
(d) None of the above
52. The function
1
sin , 0
( )
0, 0
x x
f x x
x
(a) Has a removable discontinuity at x 0
(b) Is continuous at x 0
(c) Is monotonically increasing
(d) Is monotonically decreasing
-24-
53. Let
, 0
( )
, 0
x x
f x
x x
(a) f (x) is not continuous at x 0
(b) f (x) is not differentiable at x 0
(c) f (0) exists and is equal to 1.
(d) None of the above
54. Let x a( sin ), y a(1cos ) . Then
dy
dx
is equal to
(a)
cos
1 sin
(b)
sin
1 cos
(c)
1 sin
cos
(d)
1 cos
sin
55. The function
3 2
( ) 6 17
3 2
x x
f x x is
(a) Strictly increasing in
(b) Strictly increasing in the interval (2,3)
(c) Strictly decreasing in the interval (2,3)
(d) None of the above
56. Let f (x) sin ax then
3
3
d y
dx
is equal to
(a) 3 a cos ax
(b) 3 sin ax
(c) 3 a sin ax
(d) 3 cos ax
57. The equation of the tangent to the curve
3 2 y 3x 7x x 1 at (2,1) is
(a) 9x y 19 0
(b) y 9x 19 0
(c) 9x y 19 0
(d) None of the above
58. Let f (x) be differentiable in [a, b] and let f (c) 0 for some c,a c b . Then
(a) f has a maximum at x c
(b) f has a minimum at x c
(c) f has neither a maximum nor a minimum at x c
(d) f may have a maximum at x c
59. For
6 5 4 3 f (x) 10x 24x 15x 40x 108 the stationary points, i.e. the points where
f (x) 0, are x 0 and x 2. Then
(a) f (2) is a maximum
(b) f (0) is a maximum
(c) f (2) is a minimum
(d) f (0) is a minimum
-25-
60. For the conclusion of Rolle’s theorem to hold for the function f (x) in the interval [a,b]
(a) f (a) and f (b) must be of opposite signs
(b) f (a) 0
(c) f (b) 0
(d) f (a) and f (b) must be equal
61. The formula for L’Hospital’s rule is
(a)
( ) ( )
lim lim
x a ( ) x a ( )
f x f x
g x g x
(b)
( ) ( )
lim
x a ( ) ( )
f x f a
g x g a
(c)
( ) ( )
lim lim
x a ( ) x a ( )
f x f x
g x g x
(d) None of the above
62. The value of
1 2
1 log
lim
x 1 2
x x
x x
is equal to
(a) 0
(b)
1
2
(c)
1
2
(d) 1
63. The partial derivative of
3 2 f (x, y) 3x x y 2xy 27y 3 with respect to x at the point
(0,3) is
(a) 6
(b) 5
(c) 4
(d) 3
64. If xyz u e then
2u
y x
is equal to
(a) (1 ) xyz xe xyz
(b) (1 ) xyz ye xyz
(c) (1 ) xyz ze xyz
(d) None of the above
65. If u f (x, y) is a homogeneous function of degree 2 in x, y, then
(a)
u u
x y u
x y
(b) 2
u u
x y u
x y
(c)
u u
x y u
x y
(d) 2
u u
x y u
x y
66. Choose the correct statement from the options below:
(a) A continuous function is integrable and differentiable
(b) A continuous function is integrable but may not be differentiable
(c) If a continuous function is integrable then it must be differentiable
(d) None of the above
-26-
67.
2 x
dx
x
(a) 2log x x C
(b) log(x 2) x C
(c) 2log(x 2) C
(d) None of the above
68. If
5 3
y (x3 2×2 5×2 10x)dx and y 0 when x 0 then
(a)
7 5
4 2 2 2 1 4
2 5 1
4 7
y x x x x
(b)
7 5
4 2 2 2 1 4
2 5
4 7
y x x x x
(c)
7 5
4 2 2 2 1 4
2 5 1
4 7
y x x x x
(d)
7 5
4 2 2 2 1 4
2 5
4 7
y x x x x
69. Let u and v be two functions of x . Then the formula for integration by parts is given by
(a) uvdx u vdx vudx
(b) uvdx u vdx vudx
(c)
du
uvdx u vdx vdx dx
dx
(d)
du
uvdx u vdx vdx dx
dx
70.
2
( 1)( 1)
xdx
x x
(a) log(x 1) log(x 1) C
(b) log(x 1) log(x 1) C
(c) log(x 1) log(x 1) C
(d) None of the above
71. 2 sin xdx
(a) 2 cos x C
(b)
1
( cos 2 )
2
x x C
(c)
1
( sin 2 )
2
x x C
(d)
1
( sin 2 )
2
x x C
-27-
72.
2
0
[x]dx
(a) 0
(b) 1
(c) 2
(d) Does not exist
73. Which of the following is not correct?
(a) 2 2
0 0
sinxdx cosxdx
(b) 2
0 0
cosxdx 2 cosxdx
(c) 2
0 0
sinxdx 2 sinxdx
(d) None of the above
74. Let a c b. Then
(a) ( ) ( ) ( )
b c b
a a c
f x dx f x dx f x dx
(b) ( ) ( ) ( )
b c b
a a c
f x dx f x dx f x dx
(c) ( ) ( ) ( )
b c b
a a c
f x dx f x dx f x dx
(d) None of the above
75.
5
3 5
5
(x 5sin x)dx
(a) 0
(b) 10
(c) 15
(d) 20
76. The area bounded by the straight line x 2y 2 0, x-axis, y-axis and the line x 4 is equal to
(a) 4 square units
(b) 6 square units
(c) 8 square units
(d) 10 square units
77. The order of the differential equation
2 2
2 1
d y dy
dx dx
is
(a) 1
(b) 2
(c) 4
(d) 0
78. The degree of the differential equation
2
2 1
dy
x
dx
is
(a) 1
(b) 2
(c) 4
(d)
1
2
-28-
79. The order and degree of the differential equation of the family of circles touching the x-axis at the
origin, are respectively
(a) 1, 1
(b) 1, 2
(c) 2, 1
(d) 2, 2
80. If y(t) is a solution of (1 ) 1
dy
t ty
dt
and y(0) 1 then y(1) is
(a)
1
2
(b)
1
2
e
(c)
1
2
e
(d)
1
2
81. Consider the following statements:
(I) There is a set which has exactly 1 subset.
(II) There is no set having exactly 100 subsets.
Now select the correct option below:
(a) Only (I) is true
(b) Only (II) is true
(c) Both (I) and (II) are true
(d) Both (I) and (II) are false
82. There are 25 members in a cricket club. There are 5 of them who can play as both wicketkeeper
and bowler. There are 15 who can play as bowler and 7 who can play as wicketkeeper. How many
are neither bowlers nor wicketkeepers?
(a) 3
(b) 4
(c) 7
(d) 8
83. The relation ≥ (greater than or equal to) in the set of real number is
(a) Reflexive but not transitive
(b) Reflexive and symmetric
(c) Reflexive and transitive
(d) Symmetric and transitive
84. Which of the relations below on the set {x, y, z} is an equivalence relation?
(a) {(x, y), (y, x), (y, z), (z, y), (z, x), (x, z)}
(b) {(x, x), (x, y), (y, x)}
(c) {(x, x), (y, y), (z, z)}
(d) None of the above
85. LetA = {1, 2, 3, 4} and B = {x, y, z}. Then
(a) There is no mapping f : A→B which is one-to-one
(b) Every mapping f : A→B is onto
(c) There are exactly 3 mappings f : A→B which are not onto
(d) None of the above
86. The set of rational numbers is
(a) Countably infinite
(b) Uncountable
(c) Finite
(d) None of the above
87. The quadratic expression 2 5x 8x 4
(a) is > 0 for all real values of x
(b) is equal to zero for two distinct real numbers
(c) has a zero at
4
5
x .
(d) None of the above
-29-
88. The roots of the equation 2 9x 6x 1 are
(a) Real and equal
(b) Equal in magnitude but opposite in sign
(c) Not real
(d) None of the above
89. The equation 3 2 x x x 2 0 has
(a) All roots real
(b) Exactly one real root
(c) All roots imaginary
(d) None of the above
90. The product of the roots of the equation 2 3 2 5x 17x 19x 107x 0 is
(a) 0
(b)
17
5
(c)
107
5
(d)
19
5
91. If , , are the roots of the equation 3 2 x 4x 8x 11 0 then the value of
2 2 2
equals
(a) 0
(b) 4
(c) 8
(d) 16
92. The simplified value of the following expression is
2 2
2 2
x x x x e e e e
(a) 0
(b) 1
(c) 2
(d)
1
2
93. The value of the expression
1
log11 log
11
is equal to
(a) 0
(b) 1
(c) 2
(d) None of the above
94. Let A, G and H be the arithmetic, geometric and harmonic means of n given positive numbers.
Then
(a)
AG H
(b) H AG
(c) H G A
(d) G H A
95. The minimum value of
1 4 4 , x x x , is
(a) 2
(b) 4
(c) 1
(d) None of the above
-30-
96. The sequence {( 1) } n is
(a) Convergent
(b) Divergent
(c) Oscillatory
(d) None of the above
97. The sequence {2n}
is
(a) Convergent
(b) Divergent
(c) Oscillatory
(d) None of the above
98. Let
1
n
n
a
be a series of positive numbers. Now select the correct statement from below:
(a)
1
n
n
a
is convergent whenever lim 0 n
n
a
(b)
1
n
n
a
is convergent if and only if lim 0 n
n
a
(c)
1
n
n
a
is not convergent if lim 0 n
n
a
(d) None of the above
99. The geometric series
1
1
n
n
r
is
(a) Convergent if r 1
(b) Convergent if r 1
(c) Convergent if | r |1
(d) None of the above
100. For any two complex numbers 1 z and 2 z
(a) 1 2 1 2 | z | | z || z z |
(b) 1 2 1 2 | z | | z || z z |
(c) 1 2 1 2 || z | | z ||| z z |
(d) 1 2 1 2 || z | | z ||| z z |
101. Choose the correct statement below:
(a) The moduli of a complex number and its conjugate are equal
(b) The arguments of a complex number and its conjugate are equal
(c) If the arguments of two complex numbers are equal then their moduli are equal
(d) None of the above
102. Let be a complex cube root of 1. Then
(a) 2 is a real number
(b) 2 1 0
(c) 2 1 0
(d) 2 1 0
103. There are 10 boxes to keep 11 medals. Then
(a) Every box will get at least one medal
(b) At least one box will contain 2 or more medals
(c) At least one box will contain no medal
(d) None of the above
-31-
104. The inside of an auditorium has 8 different electric lights, all connected to different switches. In
how many different ways can the auditorium be lit?
(a) 8
(b) 8!
(c) 256
(d) 255
105. How many 4-digit numbers can formed with the digits 0, 1, 2, 3?
(a) 192
(b) 256
(c) 24
(d) None of the above
106. In how many ways can 12 apples be distributed among 4 boys so that every boy gets at least 1
apple?
(a) 165
(b) 495
(c) 455
(d) None of the above
107. Suppose A and B be two mutually exclusive events. Then
(a) A and B are independent events
(b) P(AB) 0
(c) P(AB) 0
(d) None of the above
108. If A and B are independent events then
(a) P(AB) P(A)P(B)
(b) P(AB) P(A) P(B)
(c) P(AB) P(B) P(A)
(d) None of the above
109. A local football club has 15 players including 3 foreign players. A team of 11 players is selected
at random. What is the probability that all 3 foreign players are selected?
(a)
33
91
(b)
2
3
(c)
11
15
(d) None of the above
110. A coin is tossed three times. The probability of getting a result in the third toss different from
those obtained in the first two tosses is
(a)
1
2
(b)
1
4
(c)
1
8
(d)
1
16
111. The value of the determinant
2
2
2
1
1
1
where is a complex cube root of 1, is
(a) 0
(b) 1
(c)
(d) 2
112. Let a be a diagonal entry of a skew-symmetric real matrix A. Then
(a) a must be positive
(b) a must be negative
(c) a = 0
(d) None of the above
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113. Choose the correct statement below:
(a) Matrix addition is not commutative
(b) Matrix multiplication is commutative
(c) An invertible matrix has determinant not equal to 0
(d) None of the above
114. The matrix
0 1
0 0
is
(a) Nilpotent
(b) Idempotent
(c) Invertible
(d) Skew-symmetric
115. The eigenvalues of the matrix
1 0 0
1 1 0
2 0 2
are
(a) All real and distinct
(b) 1 and 2
(c) 1, 1 and 2
(d) None of the above
116. Select the correct statement below:
(a) Eigenvalues of two distinct matrices can never be the same
(b) Every square matrix satisfies its characteristic equation
(c) The eigenvalues of real matrices are real and distinct
(d) None of the above
117. If cos
1
x
x
then sin
(a)
1
1
x
x
(b)
2 1
1
x
x
(c)
2 1
1
x
x
(d) None of the above
118. The value of 0 sin75 is
(a)
6 2
4
(b)
6 2
4
(c)
2 6
4
(d)
6 2
2
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119. If
7
sin
25
and is in the 4th quadrant then
(a)
7
tan
24
(b)
24
cos
25
(c)
24
cot
7
(d)
25
sec
24
120. Select the correct statement:
(a) 1 3
sin ( 1)
2
because
3
sin 1
2
(b) 1 sin ( 1)
2
(c) The domain of the inverse trigonometric function sin1 x is [0,2 ]
(d) None of the above
121. The simplified value of
1 3
sin 2cos
5
is
(a)
24
25
(b)
7
25
(c)
7
25
(d)
24
25
122. If 2sin 1,0
2 2
x
x
then
(a)
5
6
x
(b)
3
x
(c) x has exactly 2 solutions in the given interval
(d) x has no solution in the given interval
123. In a triangle ABC the measure of angle Ais 60o , side a is 6 cm and side b is 2 cm. What is
the measure of angle B ?
(a) 90o
(b) 60o
(c) 30o
(d) 45o
124. In a triangle ABC the sides a, b and c are of lengths 2 cm, 4 cm and 2 3 cm respectively. What is
the measure of angle C?
(a) 90o
(b) 60o
(c) 30o
(d) 45o
125. The simplified form of the expression
12(cos 23 sin 23 )
6(cos 293 sin 293 )
o o
o o
i
i
is
(a) 2i
(b) 2 (1i)
(c) 2i
(d) 2(i 1)
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126. The sum of the series
1 1 1
1
3 5 7
is
(a)
2
(b)
4
(c)
8
(d) None of the above
127. Select the correct statement from below:
(a) It is not possible to add two vectors of different directions
(b) Multiplication of a vector with a scalar always increases the magnitude of the vector
(c) The zero vector has no direction
(d) None of the above
128. The dot product of the two vectors iˆ 3 ˆj 4kˆ and 2iˆ ˆj kˆ is equal to
(a) 3
(b) 3iˆ
(c) 3 ˆj
(d) 3kˆ
129. The cross product ab of the vectors a iˆ ˆj kˆ and b 2 ˆj kˆ is equal to
(a) 3iˆ ˆj 2kˆ
(b) 3iˆ ˆj 2kˆ
(c) 3iˆ ˆj 2kˆ
(d) 3iˆ ˆj 2kˆ
130. Given three vectors a,b and c the scalar triple product a (b c) is
(a) the volume of the parallelepiped defined by the three vectors given
(b) the area of a triangle whose sides are represented by the given vectors
(c) the perimeter of a triangle whose sides are represented by the given vectors
(d) none of the above
131. Choose the correct formula from below:
(a) a (b c) (a c)b (a b)c
(b) a (b c) (a c)b (a b)c
(c) a (b c) (b a)c (a c)b
(d) a (b c) (b c)a (a c)b
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132. Let f be a vector function and let be the vector differential operator. Which of the following is
false?
(a) ( f ) 0
(b) (f ) 0
(c) ( f ) 0
(d) None of the above
133. Consider the equations below:
(I)
2 2 x y 6x 8y 24 0
(II)
2 2 x y 6x 8y 0
(a) Equation (I) represents a circle but (II) does not
(b) Equation (I) represents a circle but (II) does not
(c) The two equations represent concentric circles
(d) The two equations represent degenerate circles
134. Consider the circle represented by the equation
2 2 x y 2x 10y 25 0. Then
(a) The y – axis is a tangent to the circle at the point (0, 5)
(b) The x – axis is a normal to the circle at the point (0, 5)
(c) There is no tangent to the circle passing through the origin
(d) The radius of the circle is 5 units
135. The equation of a circle of radius r in parametric form is
(a) x r sec , y r tan
(b) x r cos , y r sin
(c) x cos r , y sin r
(d) None of the above
136. For the parabola
2 y 4ax which of the following is true?
(a) The coordinates of the vertex is (a, 0)
(b) The coordinates of the focus is (0, 0)
(c) The equation of the axis is x = 0.
(d) The length of the latus rectum is 4a
137. The focus of a parabola is (3, 0) and the equation of its directrix is x 3. The equation of the
parabola is:
(a)
2 x 12y
(b)
2 y 12x
(c)
2 x 12y
(d)
2 y 12x
-36-
138. The equation of the tangent to the parabola
2 y 8x at the point (2,4) is?
(a) x y 2
(b) y x 2
(c) x y 2
(d) None of the above
139. For the ellipse
2 2
1
25 9
x y
(a) The eccentricity is
5
4
(b) The length of latus rectum is
9
5
(c) Equations of the directrices are
25
4
x
(d) None of the above
140. A circle is a special case of an ellipse when
(a) the eccentricity is equal to 0
(b) the equation of the directrices are x y
(c) the major axis becomes infinite
(d) None of the above
141. The equation of the normal to the ellipse
2 2 x 2y 9 at the point (1,2) is
(a) x 4y 9
(b) y 4x 9
(c) y 4x 2
(d) 4x y 2
142. The equation xy 4 represents
(a) A circle
(b) An ellipse
(c) A pair of straight lines
(d) A rectangular hyperbola
143. What is the centre of the hyperbola represented by the equation
2 2 4x 5y 40x 30y 45 0 ?
(a) (5,3)
(b) (3,5)
(c) (5,3)
(d) None of the above
144. An equation for the hyperbola with center (0, 0), vertex (0, 5), and asymptotes
5
3
y x is
(a)
2 2
1
25 9
x y
(b)
2 2
1
9 25
x y
(c)
2 2
1
25 9
y x
(d) None of the above
-37-
145. Which of the triads below represents the direction cosines of a line?
(a) 1, 0, 1
(b) 1, 1, 0
(c) 1, 1, 1
(d)
1 1
, ,0
2 2
146. The direction cosines of a line perpendicular to the plane 8x y 4z 1 are
(a) l 8,m 1,n 4
(b)
8 1 4
, ,
9 9 9
l m n
(c) l 0,m 1,n 0
(d) None of the above
147. Let 1 1 1 l ,m , n and 2 2 2 l ,m , n be the direction ratios of two perpendicular lines. Then
(a) 1 2 1 2 1 2 l l m m n n 1
(b) 1 2 1 2 1 2 l m m n n l 0
(c)
2 2 2 2 2 2
1 1 1 2 2 2 (l m n )(l m n ) 1
(d) 1 2 1 2 1 2 l l m m n n 0
148. The equation to the tangent plane at the point (1,0,0) of the sphere
2 2 2 x y z 1 is
(a) x 1
(b) y 0
(c) z 0
(d) x 0
149. The direction cosines of the normal to the sphere
2 2 2 (x 3) ( y 4) z 16 at the point
(3,0,0) are
(a) l 0,m 1,n 0
(b) l 1,m 0,n 0
(c) l 0,m 0,n 1
(d) None of the above
150. If f (x) [x] is the greatest integer function then
1
lim ( )
x
f x
is equal to
(a) 0
(b) 1
(c) 2
(d) Does not exist
**************
APDCL Previous Years Question Paper for Asst Accounts Officer AAO – Paper 2
