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  • If sum of the digits of a number is 21, then the number i...
Multiple choice

If sum of the digits of a number is 21, then the number itself is divisible by ______ .

  1. 9

  2. 3

  3. 6

  4. Both 3 and 9

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Since 21 is divisible by 3, so the number will be divisible by 3.

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