Explanation:
Here :-
- Selling price of 10 mangoes is equal to the cost price of 12 mangoes

Let the cost price of one mango be ₹1. So :-
- Cost Price of 10 mangoes = ₹10
- Selling Price of 10 mangoes = ₹12
↝ Here the selling price of 10 mangoes is equal to the cost price of 12 mangoes. It means selling price of 10 mangoes = cost price of 12 mangoes. So, the selling price of 12 mangoes is ₹12 and the cost price of 10 mangoes is ₹10.

Fistly, finding the profit :-



∴ The profitis Rs.2.
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Now, finding the profit percentage :-






∴ The profit percent is 20%.