Railways PYQCBT 1 2016

RRB NTPC · Question 27

Find the LCM of 12, 16, 20 and 24. A. 180 B. 220 C. 240 D. 260

  1. D

  2. A

  3. B

  4. C

Show answer & explanation

Answer: (D) C

Explanation

12 = 2² × 3, 16 = 2⁴, 20 = 2² × 5 and 24 = 2³ × 3. LCM = 2⁴ × 3 × 5 = 240.