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NIELIT 2022 April Scientist B | Section A | Question: 39

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A number is divisible by 9 if sum of its digits is divisible by 9.

here it is given the number is 467X4.

so the sum of the digits is (21+x).

if x=6 then the sum is 27 and it will be divisible by 9.

so the correct option is C.
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