Question

A man buys lemons at 4 for Rs. 3 and sells them at 5 for Rs. 4. How much percent
gain or loss does he make on the selling price?​

Answer 1

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Cost of one lemon: (3/4)Rs.

Selling price of one lemon (4/5)Rs

∴ Profit percentage 

= ((3/4)(54)/(3/4))⋅100

= (16−15/20)⋅(4/3)⋅100%

= 6.67%