Q1. The cost price of 15 bananas is equal to the selling price of 12. Find the profit or loss percent.

Dear Student

Cost price of 15 bananas = Selling price of 12 bananas

Now, we know

Selling price = Cost price + Profit

Cost price of 15 bananas = Cost price of 12 bananas + Profit on 12 bananas

Cost price of 15 bananas - Cost price of 12 bananas = Profit on 12 bananas

Profit on 12 bananas = Cost price of 15 bananas - Cost price of 12 bananas

Profit on 12 bananas = Cost price of 3 bananas

Profit percentage = CP of 3 bananas × 100
                                    CP of 12 bananas

Profit % = 3 × 100 = 25%
                 12
Regards

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