Vivek buys 3 shirts at an average price of Rs. 1250. If he buys 2 more shirts at an average price of Rs. 1450. What will be the average price (in Rs.) of all the 5 shirts he buys?

A manufacturer fixes his selling price at $$33{1\over3}\% $$ over the cost of production. If the cost of production goes up by 12 % and manufacturer raises his selling price by 10%, his percentage profit is 

The total cost of x pens and (x-2) pencils is Rs 424. If one pencil and one pen costs Rs 4 and Rs 20 respectively then find x?

A trader sold two items at the same price. One at 20% profit and another at 10% loss. The overall profit / loss percentage of the trader is ________

Direction: A shopkeeper has some kg. rice of same price. He sold 150 kg. rice at 25 Rs. per kg. and earned a profit of 25%, another 180 kg. rice is sold at a profit of 20% and rest are sold at a loss of 10%. If the shopkeeper earns Rs. 1230 profit on all the rice that he has sold then answers the following question:

If the shopkeeper earns 10% profit instead of 10% loss on the rest rice then find the difference between the old and new profit. 

A radio is sold for Rs.900 at 10% profit. If it had been sold for Rs 890, what would have been the actual profit or loss?

A merchant loses 10% by selling an article. If the cost price of the article is ₹ 15, then the selling price of the article is 

Medha sells her bag for ₹ 300 and loses ₹ 60. At what price must she sell the article to gain 15%?