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Railway Exam Solved math Question paper with Answer 2014

101. Rain bought a T.V. with 20% discount on the labeled price. Had he bought it with 30% discount he would have saved 800. The value of the T.V set that he bought is

(A) 5,000 (B 8,000 (C) 9,000 (D) 10,000

102. A vessel full of pure acid contains 10 liters of it, of which 2 litres are withdrawn. The vessel is then filled with water. Next 2 litres of the mixture are withdrawn, and again the vessel is filled up with water. The ratio of the acid left in the vcssel with that of the original quantity is

(A) 1:5 (B) 4:5 (C) 4:25 (D) 16:25

103 Gold is 19 times as heavy as water and copper is 9 times as heavy as water. In what ratio should these be mixed to get an alloy 15 times as heavy as water?

(A) 1:1 (C) 2:3 (B) 1:2 (D) 3:2

104. The average age of boys in the class is twice the number of girls in the class. The ratio of boys and girls in the class of 50 is 4 :1. The total of the ages (in years) of the boys in the class is

(A) 2000 (C) 800 (B) 2500 (D) 400

105. There are 100 students in 3 sections A, B and C of a class. The average marks of all the 3 sections was 84. The average of B and C was 87.5 and the average marks of A is 70. The number of students in A was

(A) 30 (B) 35 (C) 20 (D) 25

106. A sold an article to B at 20% profit and B sold it to C at 15% loss. If A sold it to C at the selling price of B, then A would make

(A) 5% profit (B) 2% profit (C) 2% loss (D) 5% loss

107. The monthly salaries of A and B together amount to 40.000. A

spends 85% of his salary and B, 95% of his salary. If now their savings are

the same, then the salary (in ) of A is

(A) 10,000 (C) 16,000 (B) 12,000 (D) l000

108. It takes 8 hours for a 600 km journey, if 120 km is done by train and the rest by car. It takes 20 minutes more if 200 km is done by train and the rest by car. The ratio of the speed of the train to that of the car is

(A) 2:3 (B) 3:2 (C) 3:4 (D) 4:3

109. If a train runs at 70 km/hour, it reaches its destination late by 12 minutes. But if it runs at 80 km/hour, it is late by 3 minutes. The correct time to cover the journey is

(A) 58 minutes (B) 2 hours (C) I hour (D) 59 minutes

110. A man borrowed some money from a private organization at 5% simple interest per annum. He lended 50% of this money to another person at 10% compound interest per annum and thereby the man made a profit of 13,205 in 4 years. The man borrowed

(A) 80,000 (C) 1,20,000 (B) 1,00,000 (D) 1,50,000

114. The total area (in sq. unit) of the triangles formed by the graph of 4v + 5y = 40,

x-axis, y-axis and x=5 and y =4 is

(A) 10 (B) 20 (C) 30 (D) 40

115. For what value of k. the system of equations kx + 2y = 2 and 3x + y = 1

will be coincident?

(A) 2 (B) 3 (C) 5 (D) 6

129. A, B and C together can do a piece of work in 40 days. After working with B and C for 16 days, A leaves and then B and C complete the remaining work in 40 days more. A alone could do the work in

(A) 80 days (C) 100 days (B) 90 days (D 120 days

130. Three pipes A, B and C can fill a tank in 6 hours. After working it together for 2 hours, C is closed and A and B can fill the remaining part in 7 hours. The number of hours taken by C alone to fill the tank is

(A) 10 (B) 12 (C) 14 (D) 16

131. Pratibha is thrice as efficient as Sonia and is therefore able to finish a piece of work in 60 days less than Sonia. Pratibha and Sonia can individually complete the work respectively in

(A) 30, 60 days (B) 60,90 days (C) 30, 90 days (D) 40, 120 days

133. There are two cones. The curved surface area of one is twice that of the other. The slant height of the latter is twice that of the former. The ratio of their radii is

(A) 4:1 (C) 3:4 (B) 4:3 (D) 1:4

135. A shopkeeper allows 10% discount on goods when he sells without credit. Cost price of his goods is 80% of his selling price. If he sells his goods by cash, then his profit is

(A) 50% (B) 70% (C) 25% (D) 40%

136. A dealer of scientific instruments allows 20% discount on the marked price of the instruments and still makes a profit of 25%. If his gain over the sale of an instrument is 150, find the marked price of the instrument.

(A) 938.50 (C) 938 (B) 940 (D) 937.50

141. Two parallel chords of a circle of diameter 20 cm are 12 cm and 16 cm long. If the chords are in the same side of the centre, then the distance between them is

(A) 28 cm (C) 4cm (B) 2cm (D) 8cm

142. The interior angle of a regular polygon is 140°. The number of sides of that polygon is

(A) 9 (B) 8 (C) 7 (D) 6

143. If two circles of radii 9cm and 4cm touch externally, then the length of a common tangent is

(A) 5cm (B) 7 (C) 8cm (D) 12 cm

Answer key Booklet Code : 044 PK 5 / Set 044PK5

101 B 102 D 103 D 104 C 105 C 106 B 107 A 108 C 109 C 110 B* 111 C 112 B 113 D 114 B 115 D 116 D 117 C 118 D 119 D 120 C 121 A 122 D 123 C 124 C 125 A 126 C 127 A 128 B 129 C 130 C 131 C 132 C 133 A 134 A 135 C 136 D 137 D 138 C* 139 C 140 B 141 B 142 A

143 D 144 B 145 A 146 C 147 B 148 C 149 B 150 C

Railway Group D Exam Previous year solved questions paper Railway JE Questions

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