Discussion :: Problems on Ages

The sum of the present ages of a father and his son is 60 years. Six years ago, father's age was five times the age of the son. After 6 years, son's age will be:
Answer : Option D
Explanation :
Let the present ages of son and father be x and (60 x) years respectively.
Then, (60  x)  6 = 5(x  6)
54  x = 5x  30
6x = 84
x = 14.
Son's age after 6 years = (x+ 6) = 20 years..
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