A man bought an old typewriter for ₹1200 and spent ₹200 on its repair. He sold it for ₹1680. His profit percent is :

A sold a watch to B at a profit of 20%. B sold it to C at 30% profit. C sold it to D at 10% loss. If B's profit is ₹80 more than that of A, then D bought it for:

A salesman expects a gain of 13% on his cost price. If in a month his sale was ₹ 7,91,000, what was his profit ? 

An item when sold for ₹ 1,690 earned 30% profit on the cost price. Then the cost price is 

A shopkeeper on selling 33 metres of cloth obtain a profit equal to the selling price of 11 metre of cloth the profit is

The ratio of the cost price and selling price of an article is 10 : 11. The gain per cent is:

A pen passing through two hands is finally sold at a profit of 44% of the original cost price. If the first dealer makes a profit of 20%, then the profit made by the second dealer is:

A dishonest dealer professes to sell his goods at cost price but uses a false weight and thus gains 15%. For a kilogram, he uses a weight of _________ (rounded off to one digit after decimal).