# RRC (Kolkata) 27-10-2013 Exam Paper

81. Three big drums contain 36 litres, 45 litres and 72 litres of oil. What biggest measure can measure all the different quantities exactly?
A. 3 litres
B. 6 litres
C. 9 litres
D. None of these

82. The L.C.M of two numbers is 12 times their H.C.F The sum of H.C.F and L.C.M is 403. If one number is 93, then the other is-
A. 128
B. 124
C. 134
D. None of these

83.
A. 3.9
B. 39
C. 34.45
D. 50

84. While solving a problem, Samidha squared a number and then subtracted 25 from it rather than the required, i.e., first subtracting 25 from the number and then squaring it. But she got the right Answer-. What was the given number?
A. 13
B. 38
C. 48
D. None of these

85. A two-digits number is three times the sum of its digits. If 45 is added to the number, its digits are interchanged. The sum of the digits of the number is-
A. 5
B. 7
C. 9
D. None of these

86. 15 years hence, a man will be just 4 times as old as he was 15 years ago, his present age is-
A. 10 years
B. 25 years
C. 20 years
D. None of these

87. The value of a plant depreciates by 10% annually. If the present value of the plant is rs. 1,00,000, then what will be its value after 2 years?
A. Rs. 8,000
B. Rs 10,000
C. Rs 18,000
D. Rs 81,000

88. By selling 100 Pencils, a shopkeeper gains the selling price of 20 pencils. His gain per cent is-
A. 25%
B. 20%
C. 15%
D. 12%

89. In a barrack of soldiers there was stock of food for 190 days for 4000 soldiers. After 30 days, 800 soldiers left the barrack. For how many days shall the left over food last for the remaining soldiers?
A. 175 days
B. 200 days
C. 225 days
D. 250 days

90. A merchant has 1000 kg of sugar, part of which he sells at 8% profit and the rest at 18% profit. He gains 14% on the whole. The quantity sold at 8% profit is-
A. 400 kg
B. 560 kg
C. 600 kg
D. None of these

91. The difference between compound interest and simple interest on a sum for 2 years at 8% p.a. is rs 768. The sum is-
A. rs 1,00,000
B. rs 1,10,000
C. rs 1,20,000
D. rs 1,70,000

92. A hall 20 m long and 15 m broad is surrounded by a verandah of uniform width of 2.5 m. The cost of flooring the verandah at rs 17-50 per sq. metre is-
A. rs 2,500
B. rs 3,000
C. rs 3,500
D. rs 4,000

93. If the side of a square is increased by 25%, then its area is increased by-
A. 25%
B. 40.5%
C. 55%
D. 56.25%

94. A maximum of how many equal pieces of 12.6 cm can be cut form a 857 cm long rod ?
A. 58
B. 62
C. 68
D. None of these

95. The average of 6 number is 30. If the average of first four is 25 and that of last is 35. The fourth number is-
A. 25
B. 30
C. 35
D. None of these

96. X is 36 years old and Y is 16 years. In how many years will X be twice as old as Y?
A. 1 year
B. 2 year
C. 3 year
D. 4 year

97. (50+50% of 50)=?
A. 50
B. 75
C. 100
D. 150

98. If the price of eraser is reduced by 25%, a person can buy 2 more eraser for a rupee. How many erasers are available for a rupee?
A. 8
B. 6
C. 4
D. 2

99. What must be subtracted from each one of 21, 38, 55, 106, so that the remainders are proportional ?
A. 2
B. 4
C. 6
D. 8

100. How many simple interest will rs 2,000 earn in 18 months at 6% per annum?
A. Rs 120
B. Rs 180
C. Rs 216
D. Rs 240