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Railways PYQCBT 1 2016

RRB NTPC · Question 95

How many natural numbers between 15 and 85 are divisible by 7?

  1. 9

  2. 10

  3. 8

  4. 7

Show answer & explanation

Answer: (B) 10

Explanation

Multiples of 7 between 15 and 85 run from 21 (7 × 3) to 84 (7 × 12). That is 12 − 3 + 1 = 10 numbers.