Articles are bought at Rs 45 per dozen and sold at Rs 85 per score.Find gain or loss per cent

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.

Lemons were bought at Rs 60 a dozen and sold at the rate of Rs 60 per 10. Find the gain or loss percent.

Lemons were bought at Rs 60 a dozen and sold at the rate of Rs 40 per 10. Find the gain or loss percent.

Lemons were bought at Rs 60 a dozen and sold at the rate of Rs 40 per 10. Find the gain or loss percent.

Oranges are bought at 6 for Rs. 20 and sold at 4 for Rs. 18. Find the gain or loss per cent.

A vendor purchased bananas at Rs. 40 per dozen and sold them at 10 for Rs.36. Find his gain or loss per cent.

A man bought apples at 10 for Rs. 75 and sold them at Rs.75 per dozen. Find his loss percent.