The cost price of 15 books is equal to the selling price of 12 books. Find the gain per cent.
A fan costs ? 670 and 45 is spent on its repairs. It is then sold for *880. What is the gain per cent?
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Find the gain or loss per cent when: ... Gain = SP - CP = Rs. ( 2592 - 2400) = Rs. 192. Gain% ... The selling price of 12 pens is equal to the cost price of 15 pens. ... A man buys a book for Rs 80 and sells it for Rs 100
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