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