What is the smallest number divisible by 4, 6 and 10?
Answer and explanation
Correct answer: A. 60 (2x2x3x5)
- Step 1: Find the least common multiple: 4 = 2x2, 6 = 2x3, 10 = 2x5. Step 2. Take 2x2x3x5 = 60. Answer: 60 (2x2x3x5). Why not the others: 30 is not divisible by 4, 40 is not divisible by 6, 120 is a multiple but not the smallest.
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