A grandfather is ten times older than his granddaughter. He is also 54 years older than her. Find their present ages.

Aman’s age is three times his son’s age. Ten years ago he was five times his son’s age. Find their present ages.

The present age of Sahil’s mother is three times the present age of Sahil. After 5 years their ages will add to 66 years. Find their present ages.

Baichung’s father is 26 years younger than Baichung’s grandfather and 29 years older than Baichung. The sum of the ages of all the three is 135 years. What is the age of each one of them?

Arjun is twice as old as Shriya. Five years ago his age was three times Shriya’s age. Find their present ages.

Form the pair of linear equations in the following problems and find their solution by substitution method : Ten years ago, father was twelve times as old as his son and ten years hence he will be twice as old as his son will be. Find their present ages.