A fruit-seller buys oranges at 4 for Rs 3 and sells them at 3 for Rs 4. Find his profit percent.

A fruit-seller buys oranges at the rate of 10 for Rs. 75 and sells them at 8 for Rs. 70. Find his gain or loss per cent.

A fruit seller buys 300 oranges at 5 for Rs. 8 and sells at 2 for Rs. 5. Find. (i) the cost price of each organge. (ii) the selling price of each orange. (iii) profit or loss on selling one orange. (iv) his total profit or loss an selling all the oranges.

A vendor buys oranges at Rs 26 per dozen and sells them at 5 for Rs 13. Find his gain percent.

A grocer buys eggs at 10 for Rs 8 and sells at 8 for Rs 10. Find his gain or loss percent.

A boy buys 9 apples for Rs 9.60 and sells them at 11 for Rs 12. Find his gain or loss percent.

A fruit-seller buys oranges at Rs 20 per dozen and sells them at a profit of 20%. Find the price paid by the customer for buying: 4 oranges

A fruit-seller buys oranges at Rs 20 per dozen and sells them at a profit of 20%. Find the price paid by the customer for buying: 3 dozen oranges

A dealer buys a watch for Rs. 80 and sells it for Rs. 667. Find his profit and profit percentage.

A girl buys lemons at 4 for Rs 3 and sells them at 5 for Rs 4. How much percent loss or gain does she make?

A man buys a certain number of articles at 15 for Rs 112.50 and sells them at 12 for Rs 108. Find : his gain as percent,