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Railways PYQCBT 1 2016

RRB NTPC · Question 80

The ratio of two numbers is 3 : 1 and their sum is 72. Find the difference between the numbers. A. 24 B. 36 C. 32 D. 28

  1. A

  2. C

  3. B

  4. D

Show answer & explanation

Answer: (C) B

Explanation

With ratio 3 : 1 and sum 72, the numbers are 54 and 18 (72 × 3/4 and 72 × 1/4). The difference is 54 − 18 = 36.