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Railways PYQCBT 1 2016

RRB NTPC · Question 51

The HCF of two numbers is 23 and their LCM is 1035. If one of them is 207 and the other is X, find X/23. A. 15 B. 7 C. 5 D. 9

  1. C

  2. D

  3. B

  4. A

Show answer & explanation

Answer: (A) C

Explanation

X = HCF × LCM ÷ 207 = 23 × 1035/207 = 115. X/23 = 5.