Staff Selection Commission Quantitative Aptitude — Question 265

Question

What is the LCM of 12, 15, and 20?

1. 60
2. 120
3. 180
4. 240

Correct answer

A — 60

Explanation (English)

12 = 2² × 3, 15 = 3 × 5, 20 = 2² × 5. LCM = 2² × 3 × 5 = 60

More Quantitative Aptitude questions

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