1.

The sum of the age of a father and his son is 100 years now. 5 years ago their age were in the ratio of 2 : 1. The ratio of the age of father and son after 10 years will be

A. 5 : 3
B. 4 : 3
C. 10 : 7
D. 3 : 5
Answer» B. 4 : 3


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