Question

What are common multiples of 2 and 5 between 1 and 25

Answer 1

Multiples of 2 are: 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, ………… etc. Multiples of 5 are: 5, 10, 15, 20, 25, ………… etc. Therefore, common multiples of 2 and 5 = 10, 20, ………..etc. [It can easily be seen that each of the common multiples 10, 20, etc., is exactly divisible by both 2 and 5].

Explanation:

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