I know it’s an easy question but I am not able to come up with a solution. I am getting the answer B but the correct is D.

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The question says even number and a multiple of 3

I will try 2 cases ,

Equal Case:

if n= 72

A would be 6

Not equal Case:

if n = 12

A would be 4

Therefore answer would be D

I hope this helps you

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72 is a multiple of 12 so the remainder would be 0.

If we take n=66 then the remainder is 6.

Hence with equal-not equal strategy, the answer is D.

Thanks for the response though.