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

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.

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.

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.

Saima wants to put a lace one the edge of a circular table cover of diameter 1.5m. Find the elength of a lace required and also find its cost if one meter of the lace costs Rs15. (Take pi=3.14 ).

Shanti Sweets Stall was placing an order for making cardboard boxes for packing their sweets. Two sizes of boxes were required. The bigger of dimensions 25cmxx20xx5cm and the smaller of dimensions 15 cmxx12xx5cm. For all the overlaps, 5% of the total surface area is required extra. If the cost of the cardboard is Rs 4 for 1000cm^(2) , find the cost of cardboard required for supplying 250 boxes of each kind.

A machine costs 5,00,000. If its value depreciates 15% in the first year, 13 (1/2) % in the second year, 12% in the third year and so on. What will be its value at the end of 10 years, when all the percentages will be applied to the original cost? [Total depression =15 + 13(1/2) + 12+ ......10 terms S_(n) = 10/2[30-13.5] = 82.5% therefore after 10 years original cost = 100 - 82.5 = 17.5, i.e. 17.5% of 5,00,000.

A factory makes tennis rackets and cricket bats . A tennis racket takes 1.5 h of machine time and 3 h of craftman's time in its making while a cricket bat takes 3 h of machine time and 1 h of craftman' time . In a day , the factory has the availability of not more than 42 h of machine time and 24 h of craftman's time (a) What number of rackets and bats must be made, if the factory is to work at full capacity? (b) If the profits on rackets and on bats is Rs 20 and Rs 10 respectively , find the maximum profit of the factory when it works at full capacity .

A manufacturer produces three products x, y, z which he sells in two markets. Annual sales are indicated below: {:("Market",,"Products",),(I,"10,000","2,000","18,000"),(II,"6,000","20,000","8,000"):} (a) If unit sale prices of x, y and z are Rs. 2.50, Rs. 1.50 and Rs. 1.00, respectively, find the total revenue in each market with the help of matrix algebra. (b) If the unit costs of the above three commodities are Rs. 2.00, Rs. 1.00 and 50 paise respectively. Find the gross profit.