West Bengal Police Sub Inspector exam paper 15 December 2019 (Answer Key)


81. In an election between two candidates, 75% of the voters cast their votes, out of which 02% of the votes were declared invalid. A candidate got 9261 votes which were 75% of the total valid vote. Find the total number of voters.
(A) 15800
(B) 16800
(C) 15700
(D) 16700

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82. A sum of money doubles itself in 4 years at a simple interest. In how many years will it amount to 8 times of itself ?
(A) 12 years
(B) 28 years
(C) 8 years
(D) 24 years

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83. A man purchased 35 kg of rice at the rate of Rs. 9.50 per kg and 30 kg at the rate of Rs. 10.50 per kg. He mixed the two. Approximately, at what price (in Rs.) per kg should he sell the mixture to make 35% profit in the transaction ?
(A) 12.50
(B) 13.50
(C) 12
(D) 13

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84. The ratio of the length and the breadth of a rectangular plot is 6:5 respectively, if the breadth of the plot is 34 meters less than the length, what is the perimeter of the rectangular plot ?
(A) 408 meters
(B) 814 meters
(C) 374 meters
(D) 748 meters

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85. In an examination it is required to get 40% of the aggregate marks to pass. A student gets 265 marks and is declared failed by 55 marks. What is the total marks in the said examination ?
(A) 750
(B) 550
(C) 800
(D) 650

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86. If the new numerator of a fraction is increased by 200% and the denominator of the fraction is ncreased by 150%, the resultant fraction is What is the original fraction ?
(A) 3/14
(B) 2/15
(C) 3/16
(D) 3/10

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87. If 72 x 96 = 6927, 58 x 87 = 7885, then 79 x 86 = ?
(A) 7689
(B) 6897
(C) 8976
(D) 6978

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88. Coffee : Caffeine :: Tobacco : ?
(A) Nicotine
(B) Tanin
(C) Alexine
(D) Novocaine

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89. Complete the given letter series in the following:
a__ab_baa_bb_
(A) aabb
(B) baba
(C) abab
(D) bbaa

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90. X is the east of Y which is in the north of Z. If Pis in the east of Z, then in which direction of X, is P?
(A) South-West
(B) West
(C) South-East
(D) South

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91. Vivek and Ashok start from a fixed point. Vivek moves 3 km north and turns right and then covers 4 km. Ashok moves 5 km west and turns right and walks 3 km. Now how far are they apart ?
(A) 9 km
(B) 6 km
(C) 10 km
(D) 8 km

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92. Select the missing number from the given responses:
question number 92
(A) 58
(B) 65
(C) 51
(D) 64

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93. In a certain code language ‘T’ is written as 20, ‘TAX’ is written as 20124 and ‘XERO’ is written as 2451815. How would the word ‘BABY’ be written in that code language ?
(A) 21224
(B) Cannot be determined
(C) 21225
(D) 21220

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94. Choose the odd one ::
(A) JKL
(B) TUV
(C) CDE
(D) PQS

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95. All of the following noble gases are present in the atmosphere, except
(A) Helium
(B) Xenon
(C) Argon
(D) Radon

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Answer – D

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96. Track and field star Carl Lewis won how many gold medals at the 1984 Olympic Games ?
(A) Threes
(B) Eight
(C) Two
(D) Four

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Answer – B

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97. Which of the following is not the function of Reserve Bank of India (RBI)?
(A) Banker to Government
(B) Issue of Bank Notes
(C) A Bank Mobilizing Deposits
(D) Custodian of Cash Reserves of Commercial Banks

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98. Black cotton soils are also known as
(A) Bhangar
(B) Regur
(C) Bhabar
(D) Khadar

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Answer – B

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99. In which Rock Edict is Ashoka named in person and not by his usual title ‘Devanampiya’?
(A) Mahasthan


(B) Taxila
(C) Bahapur
(D) Maski

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100. Which of the following is not a particle?
(A) Beta
(B) Gamma
(C) Alpha
(D) Delta


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Answer – D

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