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Question
If a number is divisible by 90, it is also divisible by:
If a number is divisible by 90, it is also divisible by:
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Solution
The correct option is A 45
The factors of 90 are 1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45 and 90.
If a number is divisible by a number ' n ' then it is also divisible by all the factors of ' n '. Hence, the number is also divisible by 45.
The factors of 90 are 1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45 and 90.
If a number is divisible by a number ' n ' then it is also divisible by all the factors of ' n '. Hence, the number is also divisible by 45.
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