A shopkeeper buys 80 articles for ₹2,400 and sells them for a profit of 16%.Find the selling price of one article.

The cost of an article was ₹15,500,₹450 were spent on its repay₹.If it sold for a profit of 15%, find the selling price of the article.

A VCR and TV were bought for ₹8,000 each,The shopkeeper made a loss of 4% on the VCR and a profit of 8% on the TV.Find the gain or loss percent on the whole transaction.

A dealer sells an article for Rs. 16 and loses as much per cent as the cost price of the article. Find the cost price of the article.

By selling an article for rupees 18. 74 a dealer loses as much percent as its cost price . Find the cost price of the article.

Amina buys a book for rs275 and sells it at a loss of 15%. How much does she sell it for?

I buy a T.V. for rs10,000 and sell it at a profit of 20% How much money do I get for it?

A trader bought articles for Rs. 900. Five articles were found to be damaged. He sold each of the remaining articles at rupees two more than what he had paid for it. He got a profit of Rs. 80 on the whole transaction. Find the number of articles he bought.

A cottage industry produces a certain number of pottery articles in a day . It was observed on a particular day that the cost of production of each article (in rupees ) was 3 more than twice the number of articles produced on that day. If the total cost of production on that day was 90 , find the number of articles profit and the cost of each article.

We use colours dissolved in water during Holi and clothes gets spoiled. Many colours used to celebrate Holi are oxidized metals or industrial dyes mixed with engine oil. Doctors say these are harmful colours which should be banned for usage. Manufactures mix dyes with colours, and sell them for their profits. Holi lovers can make their Holi colourful by using natural colours available in the market.Natural colours start fading when they come in contact with sun rays. (i) Why doctors say that synthetic colours are harmful? (ii) What are natural colours? (iii) As a student what initiative you will take to motivate your classmates to use natural colours in Holi? Give any suggestions.

By selling an article for Rs. 18.75, a merchant loses as much per cent as it cost him in rupees.