Find the cost price of a book, when it is sold for Rs. 48 and the gain is 20%?

Find the cost price of a book, when it is sold for Rs. 48 and the gain is 20%?

Explanation

To find the cost price (CP), use the formula:

CP = Selling Price (SP) / (1 + Gain %)

CP = 48 / (1 + 0.20)

CP = 48 / 1.20

CP = 40