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Railways PYQCBT 1 2020

RRB NTPC · Question 46

The sum of two numbers is 1500. Their LCM is 16379. Two numbers are:

  1. 1489, 11

  2. 1453, 47

  3. 1479, 21

  4. 1053, 447

Show answer & explanation

Answer: (A) 1489, 11

Explanation

1489 + 11 = 1500, and since 11 does not divide 1489 they are co-prime, so LCM = 1489 × 11 = 16379.