SSC GD 2024 PYQ — Question 52

SSC GD Const (English) - 26 Feb 2024 - Shift 1 • Quantitative Aptitude • Q52

Find the LCM of 18, 24, and 36.

Show answer & explanation

Correct answer: D

Explanation

The correct answer is option 4 i.e. 72.

⇒ 18 =  2 × 32 

⇒ 24 =  23 × 3 

⇒ 36 =  22 × 32 

Multiply the highest powers together:

LCM = 23 × 32 = 8 × 9 = 72

The LCM of 18, 24, and 36 is 72.