Railways PYQCBT 1 2016

RRB NTPC · Question 48

The HCF of two numbers is 6 and their LCM is 108. If one of the numbers is 12, then the other is A. 27 B. 54 C. 48 D. 36

  1. D

  2. B

  3. C

  4. A

Show answer & explanation

Answer: (B) B

Explanation

HCF × LCM = product of the two numbers: 6 × 108 = 648. The other number = 648/12 = 54.