1.

The sum of the present ages of a father and his son is 100 years. 5 Years ago their ages was in the ratio of 2 : 1. The ratio of the age of father and son after 20 years will be

A. 15 : 13
B. 17 : 11
C. 11 : 19
D. 20 : 23
Answer» C. 11 : 19


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