A man bought bananas at the rate of 10 for Rs 45 and sold at the rate of one dozen bananas for Rs 51 .Find his gain or loss per cent.

A fruit-seller bought bananas at the rate of 3 for Rs. 8 and sold them at the rate of 2 for Rs. 7. Find his gain or loss per cent.

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.

Shakshi bought pens at a rate of 10 pens for Rs 11and sold them at a rate of 11 pens for Rs 10. Then, find the profit or loss per cent.

A man bought pencils at the rate of 6 for Rs. 4 and sold them at the rate of 4 for Rs. 6. His gain in the transaction is:

A person bought some article at rate of 36 for Rs 189 and sold them at the rate of 45 for Rs 189. Find the profit or loss percent ?

A person bought some article at rate of 36 for Rs 189 and sold them at the rate of 45 for Rs 189. Find the profit or loss %.

100 oranges are bought at the rate of Rs. 350 and sold at the rate of Rs. 48 per dozen. Then there is

A person bought some articles at rate of 11 for Rs 10 and sold them at the rate of 10 for Rs 11 Find the profit/loss percent?

Lemons were bought at Rs 48 per dozen and sold at the rate of Rs 40 per 10. Find the gain or loss per cent.

A man bought bananas at the rate of Rs.8 for 10 pieces and sold them at the rate Rs.10 for 8 pieces. How bananas should he sell to earn a profit of Rs.90?