## RRB JE Previous Questions|RRB JE Solved Paper Set 13

81. If ` 1440 is divided into two parts in which one part is of the second, then 9 the smaller part is

1) ` 405 2) ` 630 3) ` 810 4) ` 1035

82. If √4*n = 1024, then the value of n is

1) 5 2) 8 3) 10 4) 12

84. A man covers half of his journey at 6 km/ hr and the remaining half at 3 km/ hr. His average speed is

1) 4 km/ hr 2) 4.5 km/ hr 3) 9 km/ hr 4) 3 km/ hr

85. The average weight of 8 boys is increased by 1.5 kg when one of the boys, who weights 65 kg, is replaced by a new boy. The weight of the new boy is1) 70 kg 2) 74 kg 3) 76 kg 4) 77 kg

4 86. The 4/5 th of a certain number is 64. Half of the number is-

1) 40 2) 32 3) 80 4) 16

87. The ratio between the present ages of Ravi and Jai is 3:2. If Ravi was 6 years older than Jai, four years back, how old is Jai now?

1) 6 years 2) 12 years 3) 18 years 4) Data inadequate

89. The length of a rectangle is increased by 60%. By what perent would the width have to be decreased to maintain the same area?

1 2 1) 37 % 2) 60% 3) 75% 4) 66 % 2 3

90. By selling a tape-recorder for ` 950, I lose 5%. What percent shall I gain by selling it for a 1040?

1) 4% 2) 4.5% 3) 40% 4) 5%

91. When 1 is added to each of the given two numbers, their ratio becomes 3 : 4 and when 5 is subtracted from each, the ratio becomes 7 : 10. The numbers are:

1) 8, 11 2) 11, 15 3) 26, 35 4) 27, 36

92. 5 men or 9 women can do a piece of work 19 days. In how many days will 3 men and 6 women working together will finish the work?

1) 10 days 2) 15 days 3) 87 days 4) 38 days

93. Two pipes can fill a tank in 20 minutes will 30 minutes respectively. If both the pipes are opened simultaneously, then the tank will be filled in

1) 10 minutes 2) 12 minutes 3) 15 minutes 4) 25 minutes

94. A train 132 metre long passes a telegraph post in 6 seconds. The speed of the train is

1) 70 km/ hr 2) 72 km/ hr 3) 79.2 km/ hr 4) 80 km/ hr

95. The radius of the wheel of a vehicle is 70 cm. The wheel makes 10 revolutions in 5 seconds. The speed of the vehicle is

1) 29.46 km/ hr 2) 31.68 km/ hr 3) 36.25 km/ hr 4) 32.72 km/ hr

97. The area of the base of a rectangular tank is 6500 cm2 and the volume of water contained in it is 2.6 cubic metres. The depth of the water tank is

1) 2.5 metre 2) 3 metre 3) 5.5 metre 4) 4 metre

98. Two angles are complementary, if the sum of their measures is1) 90° 2) 100° 3) 180° 4) 360°

Answers:

81-2; 82-3; 83-3; 84-1; 85-4; 86-1; 87-2; 88-4; 89-1; 90-1; 91-3; 92-2; 93-2; 94-3; 95-2; 96-4; 97-4; 98-1; 99-3; 100-1

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