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प्रश्न
Test the divisibility of the following number by 3:
20701
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उत्तर
A number is divisible by 3 if the sum of its digits is divisible by 3.
20701 is not divisible by 3 because the sum of its digits, 2+0 +7+0+1, is 10, which is not divisible by 3.
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