A father is three times as old as his son. After fifteen years the father will be twice as old as his son’s age at that time. Hence the father’s present age is

A father is three times as old as his son. After fifteen years the father will be twice as old as his son’s age at that time. Hence the father’s present age is—

A 36

B 42

C 45

D 48

Solution

Correct Answer: Option C

Let son's age = x father's age =3x .. After 15 years son's age = x+15 father's age = 3x+15 .. 3x+15=2(x+15) 3x+15=2x+30 x=15 Father's present age = 3x = 45

Solution

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