8 years ago, the ratio of ages of A and B was 4 : 5. At present, B is 6 years older than A , then how many years before A was 50% as old as B?

8 years ago, the ratio of ages of A and B was 4 : 5. At present, B is

1.	8 years ago, the ratio of ages of A and B was 4 : 5. At present, B is 6 years older than A , then how many years before A was 50% as old as B?
A.	30 years
B.	26 years
C.	24 years
D.	20 years
E.	None of these
Answer» C. 24 years

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8 years ago, the ratio of ages of A and B was 4 : 5. At present, B is 6 years older than A , then how many years before A was 50% as old as B?

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