RRB Junior Engineer (JE) Sample Paper: Mathematics-11

1. The sum of 50 natural numbers is always divisible by

(a) 17
(b) 3
(c) 5
(d) All of these

2. N = n; where n is natural number. The unit’s digit of N can’t be

(a) 2
(b) 6
(c) 5
(d) 0

3. Given that 4A =333555 + 555333, then A is divisible by

(a) 2
(b) 3
(c) 37
(d) All of these

4. N = (a × b × c × d), where a, b, c, d are distinct integers lying between –7 and 12, both inclusive. The minimum value of N is

(a) –9240
(b) –840
(c) –2520
(d) None of these

5. The sum of two numbers is 85 and their difference is 9. What is the difference of their squares?

(a) 765
(b) 845
(c) 565
(d) 645

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