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Start learning 50% faster. Sign in nowLet the speed of the boat in still water and the speed of the current be ‘x’ km/hr and ‘y’ km/hr, respectively Upstream speed of the boat = (x – y) = 240/12 = 20 km/hr Or, 30 – y = 20 Or, y = 30 – 20 = 10 km/hr Therefore, downstream speed of the boat = 30 + 10 = 40 km/hr Required time taken = 120/40 = 3 hours
The cost price of three dozen momos is Rs. 162. The shopkeeper sold 30 momos at a price of Rs. 64.8 per dozen. Then, the shopkeeper lowered the price an...
Riya purchased a mobile phone for Rs. 18,500 and sold it for Rs. 21,275. What is the profit percentage she gained?
A person buys 12 eggs for Rs.15 and sells them at 10 for Rs14. What does he gain or loss%?
A trader bought an article for Rs. 1600 and marked it 25% above of its cost price. If he sold it after giving a discount of Rs. 160 then find the profit...
Vaibhav went to purchase a tablet, the shopkeeper told him to pay 22% tax if he asked the bill. Vaibhav manages to get the discount of 8% on the actual...
Cost price of a bag is Rs.700. The shopkeeper marked it 80% above the cost price and sold it after giving a discount of 25%. If the shopkeeper had sold ...
14% more is gained by selling a spectacles for Rs. 4288 than by selling it for Rs. 4113. Find the cost price of the spectacles.
Mr. Joseph makes 1800 articles at a cost of 40 paise/article. He fixed the selling price such that if only 1000 articles are sold, he would have made pr...
A shopkeeper fixes the marked price of an item 35% above its cost price. The percentage of discount allowed to gain 8% is
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