Which of the following numbers is divisible by both 2 and 5?

Question

Accepted Answer

To check divisibility by both 2 and 5, the number must be divisible by 10 (since 10 = 2 * 5). A number is divisible by 2 if its last digit is even (0, 2, 4, 6, 8) and divisible by 5 if its last digit is 0 or 5.

Checking each option:
1. 63840 ends with 0, so divisible by 2 and 5.
2. 20792 ends with 2 (even), divisible by 2 but not by 5.
3. 37915 ends with 5, divisible by 5 but not by 2.
4. 37254 ends with 4 (even), divisible by 2 but not by 5.

Only 63840 meets both conditions.

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