প্রশ্ন সংশোধন করুন
প্রশ্ন:
A person makes a profit of 10% on 25% of the quantity and a loss of 20% on the rest what is the percentage gain or loss on the whole?
A person makes a profit of 10% on 25% of the quantity and a loss of 20% on the rest what is the percentage gain or loss on the whole?