RRB Junior Engineer (JE) Sample Paper: Mathematics-3

1. Find the least value of K so that 39 K20 is divisible by 3.

(a) 1
(b) 3
(c) 5
(d) 2

2. Find the least value of K so that 36 K36 is divisible by 6.

(a) 1
(b) 6
(c) 2
(d) 3

3. Find the least value of K so that 2718 K6 is divisible by 9.

(a) 9
(b) 3
(c) 2
(d) 8

4. What least value must be given to K so that the number 39 K 0 is divisible by 11?

(a) 1
(b) 2
(c) 9
(d) 6

5. Find the sum of the first 50 natural numbers.

(a) 1275
(b) 1025
(c) 1235
(d) 1205

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1(a), 2(d), 3(b), 4(d), 5(a)