The ratio of A and B is 2 : 3 , and B is...

The ratio of `A` and `B` is `2 : 3` , and `B` is `8` more than `A`. If a certain number `k` is added to each of `A` and `B`, then the ratio becomes `7 : 9`, The value of `k` is -

A

10

B

8

C

12

D

16

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The correct Answer is:

C

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