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Let tap ‘A’ fill the tank and tap ‘B’ empty the tank. Taking LCM of 12 and 20 = 60 Efficiency of A = 5 Efficiency of (A – B) = 3 Efficiency of B = 5 – 3 = 2 Tap B will empty the tank = 60/2 = 30 So, tap B will empty the tank in 30 hours.
A product was initially marked up by 62.5% above its cost price. After being offered discounts of 10% and 15% successively, it sold for Rs. 1989. Determ...
The profit earned by selling an article for Rs. 7,000 is 2/5th the loss incurred on selling the same article for Rs. 4,500. Find the selling price of th...
A bought a laptop for Rs.20000. He spent 20% of the amount that he had paid for buying it for its repair. He then sold the laptop to B and earned a prof...
A man buys cashew nuts at Rs.600 per kg and sells them at Rs.15 per 50 grams. What is his profit/loss percentage?
Suman sold two items, each for Rs. 2,500. She made a profit of 25% on the first item and incurred a loss of 16.67% on the second item. Calculate the tot...
An electronic item is sold after two successive discounts of 25% and 10%. If the final selling price is Rs. 6,075, then what was the original marked pri...
A shopkeeper bought 3 different types of goods: 100 items at ₹50 each, 200 items at ₹40 each, and 50 items at ₹60 each. If he sold all items at â‚...
Ram sold a plot for Rs.4,00,000 at a 20% loss. For what price should he sell the plot to gain a 5% profit?
Axe and Wye purchases the Bikes at same price and later on Zed purchase both the bikes at the same price of Rs. 72000. But the profit % of Axe was A% wh...
A Person 'P' bought 240 earphones, which was 20% more than the number of speakers he bought. He sold each earphone at Rs. 20 for ...
