Water Turbine was invented by ________ .
In 1827, French engineer Benoit Fourneyron developed a turbine capable of producing around 6 horsepower – the earliest version of the Fourneyron reaction turbine. A water turbine is a rotary machine that converts kinetic energy and potential energy of water into mechanical work.
A person bought an article and sold it at a loss of 25%. If he had bought it at 20% less and sold it for 63 more, he would have gained 20%. Find the pro...
Rohan bought a bookshelf and sold it at a profit of 15%. Had he bought it for Rs. 200 less and sold it for Rs. 300 more, he would have earned a profit o...
A shopkeeper originally priced an item at 60% above its cost price and then offered a 15% discount before selling it. If the shopkeeper had initially ma...
If 15 buttons are bought at Rs 1 and sold at the rate of 10 buttons at Rs 1, what will be the percentage profit?
A dishonest shopkeeper takes 20% more than the indicated weight when he purchases the items from the dealer. He gives 20% less than the indicated weight...
The profit percentage of M and N are the same on selling the articles at Rs. 2800 each but M calculates his profit on the selling price while N calcula...
An item smartphone is marked 25% above its cost price and sold for Rs. 1,500 after allowing two successive discounts of 20% and 25%, respectively. Find ...
The cost price of article A and B is Rs. ‘X’ and Rs. (X + 750), respectively. Article A is sold at 20% profit while article B is sold at 10% loss. I...
Shopkeeper sold an article after allowing two successive discounts of 12% and 18%, respectively. If instead of a single discount, he had sold it after a...
A person buys books at Rs. 300 for 5 and sells them at Rs.740. How many books must he sell in order to earn profit of Rs. 3,520?
