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

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

An almirah is sold at Rs 5,225 after allowing a discount of 5%. Find its marked price.

A bookshop sold 10 dozen chemistry books, 8 dozen physics books and 10 dozen maths books. Their respective selling prices were Rs 80, Rs 60 and Rs 40 per unit. Using matrix multiplication , find the sale proceeds of all the books.

A shopkeeper bought two TV sets ast Rs 10,000 each. He sold one at a profit 10% and the other at a loss 10%. Find whether he made an overall profit or loss.

A VCR and TV were bought for Rs. 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 per cent on the whole transaction.

The price of a TV is Rs 13,000. The sales tax charged on it the rate of 12%. Find the amount that Vinod will have to pay if he buys it.

A milkman sold two of his buffaloes for Rs 20,000 each. On one he made a gain of 5% and on the other a loss of 10%. Find his overall gain or loss.

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 articles (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 Rs.90,find the number of articles produced and the cost of each articles.

If 8% VAT is included in the price, find the original price of A TV bought for Rs 13,500.

A tent is in the shape of a cylinder surmounted by a conical top.If the height and diameter of the cylindrical part are 2.1m and 4 m respectively,and the slant height of the top is 2.8 m,find the area of the canvas used for making the tent.Also find the cost of the canvas of the tent at the rate of Rs.500 per m^2 (Note that the base of the will not be covered with canvas).