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Q.
The sum of the present ages of a father and his son is 60 years. five years ago, father's age was four times the age of the son. so now the son's age will be:
A.
5
B.
10
C.
15
D.
20
View Answer
Correct choice: C
Explanation:
Let the present ages of son and father be x and (60 -x) years respectively. Then, (60 - x) - 5= 4(x - 5) 55 - x = 4x - 20 5x = 75 => x = 15
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