প্রশ্ন সংশোধন করুন
প্রশ্ন:
On selling 17 balls for Tk 720 , there iss a loss equal to the cost price of 5 balls. The cost price of a ball is --
On selling 17 balls for Tk 720 , there iss a loss equal to the cost price of 5 balls. The cost price of a ball is --