Question

A book-seller Purchased 22 books for ₹20 and sold all the books at the rate of 20 books for ₹22.find the profit per cent

Answer 1

number of books purchased =22
amount of 22 books= 20
he sold 20 books for =22
profit=selling price - cost price
=22-20
=2
therefore he gets profit of 2 rupees on each book