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Railways PYQCBT 1 2016

RRB NTPC · Question 20

The sum of three consecutive numbers is 42. Find the middle number. A. 12 B. 18 C. 16 D. 14

  1. A

  2. B

  3. D

  4. C

Show answer & explanation

Answer: (C) D

Explanation

Let the numbers be x − 1, x and x + 1. Their sum is 3x = 42, so x = 14. The numbers are 13, 14 and 15, and the middle one is 14.