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प्रश्न
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.
विकल्प
True
False
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उत्तर
If a number is divisible by 3 and 7, it must be divisible by 21. True
Example: 42 is divisible by both 3 and 7. It is also divisible by 21.
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संबंधित प्रश्न
Test the divisibility of the following numbers by 5:
723405
Test the divisibility of the following numbers by 7:
826
Test the divisibility of the following numbers by 7:
117
Test the divisibility of the following numbers by 7:
6021
Test the divisibility of the following numbers by 7:
25368
In the following number, replace * by the smallest number to make it divisible by 11:
467*91
Test the divisibility of 19083625 by 11.
Write (T) for true and (F) for false against the following statement:
If a number divides the sum of two numbers exactly, it must exactly divide the numbers separately.
Write (T) for true and (F) for false against the following statement:
If a number is divisible by 8, it must be divisible by 4.
Find the greatest number that will divide 445, 572 and 699, leaving remainders 4, 5, 6 respectively.
