Which of the following is not a factor of 9042-2-9-3-6-

The correct option is B 9 9042 is an even number, so it is divisible by nbsp;2. The nbsp;sum of the digits of 9042 is 9 + 0 + 4 + 2 = 15. nbsp;So, it is ...

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Standard VIII

Mathematics

Divisibility by 9

Which of the ...

Question

Which of the following is not a factor of 9042?

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Solution

The correct option is C
9

9042 is an even number, so it is divisible by 2.

The sum of the digits of 9042 is 9 + 0 + 4 + 2 = 15. So, it is divisible by 3.

If the number is divisible by 2 and 3, then it is divisible by 6 as well.

For a number to be divisible by 9, the sum of the digits should be divisible by 9. Since 15 is not divisible by 9, 9042 is not divisible by 9.

$∴$ 9 is not a factor of 9042.

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