প্রশ্ন সংশোধন করুন
প্রশ্ন:
The average age of husband,wife and their child 3years ago was 27 years and that of wife and the child 5years ago was 20years.The present age of husband is :
The average age of husband,wife and their child 3years ago was 27 years and that of wife and the child 5years ago was 20years.The present age of husband is :