Question

A father says to his son, "I was thrice your mother's age three years before your birth. "If the ratio of the present ages of father, son and mother is 40: 7: 20, then find the present áge of the son. ​

Answer 1

Answer:

7 yrs

Step-by-step explanation:

Let common ratio according to present age be 'x'

Father's age 40x

Son's age 7x

Mother's age 20x

Now as given, 40x - 7x - 3 = 3(20x - 7x - 3)

x = 1

So, Present age of son = 7 yrs