1.

The sum of the present age of a father and his son is 100 years. If the ratio between their ages 5 years ago was 2 : 1, what will be their age after 10 years?

A. 65 years, 55 years
B. 70 years, 50 years
C. 75 years, 45 years
D. 80 years, 40 years
Answer» D. 80 years, 40 years


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