RRB Junior Engineer (JE) Sample Paper: Mathematics-38

1. The least positive integer which leave a remainder 2, when divided by each of the numbers 4, 6, 8,12 and 16.

(a) 46
(b) 48
(c) 50
(d) 52

2. The number of integers between 200 and 600, that are divisible by 2, 3 and 7 is

(a) 14
(b) 9
(c) 11
(d) 10

3. If three natural numbers, whose LCM is 360, are in the ratio 2 : 3 : 4, then the largest of them is

(a) 60
(b) 90
(c) 120
(d) 180

4. The GCD and LCM of two numbers are 66 and 384 respectively. If the first number is divided by 2, the resulting answer is 66. The second number is

(a) 192
(b) 196
(c) 384
(d) 576

5. The LCM and GCD of two numbers are 240 and 16 respectively. If the two numbers are in the ratio 3 : 5, the numbers are

(a) 24,40
(b) 21,35
(c) 36,60
(d) 48,80

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1(c), 2(d), 3(c), 4(a), 5(d)`