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The ratio of A's present age to B's present age is 3 : 4 3:4 3 : 4 , and the ratio of C's present age to B's present age is 5 : 8 5:8 ...

Banking RBI Grade B Prelims Medium Number System (including HCF LCM) MCQ

Question

The ratio of A's present age to B's present age is 3:43:4, and the ratio of C's present age to B's present age is 5:85:8. If the difference between the difference of C's and B's ages and the difference of B's and A's ages is 9 years, what was the average of their ages twelve years ago?

Options

A.

47 years

B.

45 years

C.

46 years

D.

50 years

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