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प्रश्न
Test the divisibility of the following number by 3:
733
उत्तर
A number is divisible by 3 if the sum of its digits is divisible by 3.
733 is not divisible by 3 because the sum of its digits, 7+3 + 3, is 13, which is not divisible by 3.
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संबंधित प्रश्न
Test the divisibility of the following number by 3:
79124
Test the divisibility of the following numbers by 9:
3333
Test the divisibility of the following numbers by 9:
647514
Test the divisibility of the following numbers by 9:
326999
Test the divisibility of the following number by 11:
66311
In the following number, replace * by the smallest number to make it divisible by 3:
8*711
In the following number, replace * by the smallest number to make it divisible by 11:
86*72
State if the following is a prime number?
179
State if the following is a prime number?
217
Write (T) for true and (F) for false against the following statement:
If a number is divisible by 3 and 7, it must be divisible by 21.
