Question:
At present the age of father is three times the age of his son. Six years ago father's age was five times the age of his son. The present age of father is:
A45
B40
C36
D52
Answer:
C. 36
Explanation:
Present age of son = n(y-1)/(y-x) = 6(5-1)/(5 - 3) = (6 x 4)/2 =12 Present age of father = 12 x 3 = 36.