A man is 4 times as old as his son. After 16 years he will be only twice as old as his son. Find their present ages.

5 years ago a man was 7 times as old as his son. After 5 years he will be thrice as old as his son. Find their present ages.

A man is 28 years older than his son. After 10 years, he will be thrice as old as his son. Find their present ages.

A father is three times as old as his son. In 12 years time, he will be twice as old as his son. Find the present ages of father and the son.

A father is three xx as old as his son.In 12 years time,he will be twice as old as his son. Find the present ages of father and the son.

A man is thrice as old as his son. Five years ago the man was four times as old as his son. Find their present ages.

A man is 30 yr older than his son. After 12 yr,the man will be twice as old as his son.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.