প্রশ্ন সংশোধন করুন
প্রশ্ন:
Hasan sold an article for 56 taka which cost him x taka . If he had gained x% on his outlay, what was his cost ?
Hasan sold an article for 56 taka which cost him x taka . If he had gained x% on his outlay, what was his cost ?