If i am 1 year old, and my brother is half the age of me. Find my and my brother's age after 100 years later .
Use your brain to get the answer.
After 100 years your age would be 101 years and your brother's age will be 100 and 1/2 years.
I am three times as old as my son's age . Five years later ,I shall be two and half times as old as my son. How old am I and my son?