The age of a father is `25` years more than his son's age. The product of their ages is `84` in year. What will be son's age in years, after 10 years ?

The ratio of a father's age to his son's age is 4: 1 . The product of their ages is 196. What is the ratio of their ages after 5 years.

The age of the father is 30 years more than the son's age. Ten years hence, the father's age will become three times the son' age that time. What is the son's present age in years?

Present age of father is 42 years and that of his son is 14 years. Find the ratio of Age of father after 10 years to the age of son after 10 years.

The age of the father is 4 times to that of his son, 8 years hence the sum of their ages will be 71 years what was the age of the father when the son was born ?

Father's age is 3 years more than thrice the son's age. After 5 years, father's age will be 12 years more than twice the son's age. Find the father's present age

At present the average of the ages of a father and a son is 25 years. After seven years the son will be 17 years old. What will be the age of the father after 10 years ?