The selling price of books is fixed at 30% above the cost price. If half of the books are sold at selling price, one-quarter books at discount of 15% on original selling price and rest at discount of 30% on original selling price, find the profit % on whole transaction.

The selling price of books is fixed at 30% above the cost price. If half of the books are sold at selling price, one-quarter books at discount of 15% on original selling price and rest at discount of 30% on original selling price, find the profit % on whole transaction. Correct Answer 15.375%

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