8 years ago, the ratio of A’s age to B’s age was 4 : 5. At present the ratio of B’s age to C’s age is 4 : 5. At present, the difference between A’s age and C’s age is 20 years , then what is the sum of the ages of A , B and C ?

8 years ago, the ratio of A’s age to B’s age was 4 : 5. At present

1.	8 years ago, the ratio of A’s age to B’s age was 4 : 5. At present the ratio of B’s age to C’s age is 4 : 5. At present, the difference between A’s age and C’s age is 20 years , then what is the sum of the ages of A , B and C ?
A.	138 years
B.	148 years
C.	164 years
D.	152 years
E.	None of these
Answer» C. 164 years

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8 years ago, the ratio of A’s age to B’s age was 4 : 5. At present the ratio of B’s age to C’s age is 4 : 5. At present, the difference between A’s age and C’s age is 20 years , then what is the sum of the ages of A , B and C ?

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