প্রশ্ন সংশোধন করুন
প্রশ্ন:
In 10 years . A will be twice as old as B was 10 years ago. If A is now 9 years older than B, the presents age of B is:
In 10 years . A will be twice as old as B was 10 years ago. If A is now 9 years older than B, the presents age of B is: