If the number 42573* is exactly divisible by 12, then which of the following number should replace *? Options4576

Question

If the number 42573* is exactly divisible by 12, then which of the following number should replace *?

Options
4576

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Solution

The number 12 is divisible by both 3 and 4. Therefore, for a number to be divisible by 12, it must be divisible by both 3 and 4.

For a number to be divisible by 3, the sum of its digits must be divisible by 3. In the number 42573*, the sum of the digits 4+2+5+7+3 = 21. Since 21 is divisible by 3

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If the number 42573* is exactly divisible by 12, then which of the following number should replace *? Options4576

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