প্রশ্ন সংশোধন করুন
প্রশ্ন:
At present Lili is 23 years old and Medrin is 15 years old. How many years ago was Lili twice as old as Mehrin?
At present Lili is 23 years old and Medrin is 15 years old. How many years ago was Lili twice as old as Mehrin?