HCF & LCM · Question 2 · Easy
What is the LCM of 12, 18 and 30?
- 90
- 180
- 360
- 540
Answer and explanation
Answer: B. 180
Explanation: 12 = 2^2 × 3, 18 = 2 × 3^2, 30 = 2 × 3 × 5. LCM = 2^2 × 3^2 × 5 = 180.
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