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Why is 872 NOT divisible by 3?

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Question

Why is 872 NOT divisible by 3?

Options

  • Because 872 is an even number

  • Because its sum of digits (8 + 7 + 2 = 17) is not divisible by 3

  • Because 8 is not divisible by 3

  • Because it ends with 2

MCQ
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Solution

Because its sum of digits (8+7+2=17) is not divisible by 3

Explanation:

The sum of digits is 17. Since 17 is not divisible by 3, the number 872 is not divisible by 3.

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