An oil seller purchased 100 tins of groundnut oil at `Rs340` per tin. He sold `45` tins at `Rs372` per tin, `15` tins at `Rs369` per tin and `25` tins at `Rs331` per tin. Find out total profit or loss.

A dealer purchased 20 chairs at Rs 225 per chair. He sold 12 chairs at Rs 275 per chair and the remaining chairs at Rs 200 per chair. Find his gain per cent.

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

An Oil Mill sells 100 tins of oil at the rate of Rs.8 per litre and it suffers a loss of Rs.600 . It makes a profit of Rs.900if the oil is sold at the rate of Rs.9per litre.Find out the quantity of oil per tin and its cost of production.

An alloy of tin and copper consists of 15 parts of tin and 105 parts of copper. Find the percentage of copper in the alloy?

An alloy of tin and copper consists of 15 parts of tin and 105 parts of copper. Find the percentage of copper in the alloy?

Two holes are made in a sealed tin can to take out oil from it. Explain.

A dealer wants to purchase 5 litres oil tin and 1 kg ghee tin. He has only Rs. 5760 to invest and has a space for atmost 20 tins. 5 l oil tin costs him Rs. 360 and 1 kg ghee tin costs him Rs. 240. He can sell oil tin at a profit of Rs. 22 and ghee tin at a profit of Rs. 18. Assuming that he can sell all the items that he buys, how should he invest his money for maximum profit ?

A tin of oil weighs 16.8 kg. What is the weight of 45 such tins?

Aviral purchased a computer for Rs. 47,000. He had to sell it for Rs. 45,800. Find his profit or loss per cent.