প্রশ্ন সংশোধন করুন
প্রশ্ন:
A shopkeeper purchases 70kg of potatoes for Tk. 420 ans sold the whole lot as the rate of Tk. 6.50 per kg. What will be his gain in percentage ?
A shopkeeper purchases 70kg of potatoes for Tk. 420 ans sold the whole lot as the rate of Tk. 6.50 per kg. What will be his gain in percentage ?