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प्रश्न
Test the divisibility of the following numbers by 9:
257106
उत्तर
A number is divisible by 9 if the sum of its digits is divisible by 9.
257106 is not divisible by 9, because the sum of its digits, 2 + 5 + 1 0 + 6, is 21, which is not divisible by 9.
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संबंधित प्रश्न
Test the divisibility of the following number by 2:
2650
Test the divisibility of the following number by 2:
789403
Test the divisibility of the following numbers by 5:
35208
Test the divisibility of the following numbers by 7:
14126
Test the divisibility of the following numbers by 9:
98712
In the following number, replace * by the smallest number to make it divisible by 9:
6702*
In the following number, replace * by the smallest number to make it divisible by 11:
39*43
Write (T) for true and (F) for false against the following statement:
If a number is divisible by both 9 and 10, it must be divisible by 90.
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