RRB Assistant Loco Pilot and Technician Model Paper 3 with solutions

Question : 17 of 100

Marks: +1, -0

The ratio between two numbers is 2 : 3. If each number is increased by 4, the ratio between them becomes 5 : 7. The difference between the numbers is

Solution:

(a) Let the numbers be 2x and 3x.
∴

{2x +4}/{3x+ 4} =5/7

∴ 15x + 20 = 14x + 28
⇒ x = 28 – 20 = 8 (Required Difference)

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