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Railways PYQCBT 1 2020

RRB NTPC · Question 12

Find the sum of all the numbers between 100 to 200 which are divisible by 12.

  1. 1200

  2. 1400

  3. 1600

  4. 1240

Show answer & explanation

Answer: (A) 1200

Explanation

Multiples of 12 between 100 and 200: 108, 120, …, 192 – 8 terms. Sum = 8 × (108 + 192)/2 = 1200.