Question

A man bought two books for Rs 1040. He sold one at a loss of 15% and other at a profit of 36% then he found that each book was sold for the same price. Find the cost of each book.

Ans: Rs 640 and Rs 400
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Answer 1

Answer:

Take cost price of one book = x

Then cost of another book = 1040 - x

He sold one at 15% loss & another at 36% profit , then he found selling price of each book is same

x * (85/100) = (1040-x) * 136/100

5x = 8320 - 8x

13x = 8320

x = 640rs

1040 - x = 1040 - 640 = 400rs

Answer 2

A man bought two books for Rs 1040. He sold one at a loss of 15% and other at a profit of 36% then he found that each book was sold for the same price. Find the cost of each book.

Answer is 400