RRB Junior Engineer (JE) Sample Paper: Mathematics-24

1. If 217 × 15 = 3255, then 2.17 × 0.15 is

(a) 32.55
(b) 0.3255
(c) 3.255
(d) 325.5

2. 24.315 × 256.2 × 0.0019 is the same as

(a) 243.15 × 2.562 × 0.019
(b) 24.315 × 25.62 × 0.0019
(c) 2.4315 × 2.562 × 0.019
(d) 0.24315 × 25.62 × 0.019

3. If x # y = x + y, then find the value of (3 # 4) # 3.

(a) 6
(b) 7
(c) 10
(d) 8

4. If a + b be defined by the relation , where a²/b where b¹⁰. Find the value of (24 + 16) + 4.

(a) 324
(b) 320
(c) 280
(d) 290

5. If x = 2y and y = 2z/3, what is the value of z in terms of x?

(a) 2x/3
(b) 3x/4
(c) 4x/3
(d) 3x/2

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