A girl is twice as old as her sister. Five years hence, the product of their ages (in years) will be 375. Find their present ages.

Five years ago, a man was seven times as old as his son, while five years hence, the man will be four times as old his son. Find thie present age.

Vivek is older than Kishor by 5 years. The sum of the reciprocals of their ages is 1/6 . Find their present age.

Represent the following situations in the form of quadratic equation: Rohan’s mother is 26 years older than him. The product of their ages after 3 years will be 360 years. We need to find Rohan’s present age

Product of Pragati's age 2 years ago and 3 years hence is 84. Find her present age.

The sum of the ages of two friends is 20 years. Four years ago, the product of their ages in years was 48. Is the above situation possible? If so, determine their present ages.

When the son will be as old as his father today, the sum of their ages then will be 126, when the father was as old as his son is today, the sum of their ages then was 38. Find their present ages.