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1. The age of a father 10 years ago was thrice the age of his son. 10 years hence , the father's age will be twice that of his son. The ratio of their present age is = ?
Then, father age 10 years ago = 3 years
Son's age now = ( + 10) years,
Father age now = (3 + 10) years
Ratio of present ages of father and son
Solution:
Let son's age 10 years ago be yearsThen, father age 10 years ago = 3 years
Son's age now = ( + 10) years,
Father age now = (3 + 10) years
Ratio of present ages of father and son