SSC MTS 2024 PYQ — Question 20

SSC MTS - 22/10/2024 - (12:30 PM - 2:30 PM) • Quantitative Aptitude • Q20

Which of the following options is equal to the LCM of 12, 36, 72, 144, 288 and 576?

Show answer & explanation

Correct answer: C

Explanation

The correct answer is option 3 i.e 576.

Prime Factorization

12 = 2² × 3

36 = 2² × 3²

72 = 2³ × 3²

144 = 2⁴ × 3²

288 = 2⁵ × 3²

576 = 2⁶ × 3²

Highest power of 2 = 2⁶

Highest power of 3 = 3²

LCM = 2⁶ × 3² = 64 × 9 = 576