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Question 21

The smallest natural number that has to be added to 803642 to get a number which is divisible by 9 is


Correct Answer: 4

Solution

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The digit sum of 803642 is $$8+0+3+6+4+2=23$$, and the next multiple of 9 above 23 is 27, so the number to be added is $$27-23=4$$.

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