[" 6.A man bought bananas at the rate of "10" for "₹45" and sold at the rate of one dozen "],[" bananas for "₹51" .Find his gain or loss per cent."]

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.

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 some oranges at the rate of Rs. 15 for 5 and sold them at the rate of Rs. 16 for 4. Calculate his profit 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 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 man bought apples at 10 for 75 and sold them at 75 per dozen.Find his loss percent

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

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?