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Let the length of train ‘A’ be ‘x’ metres Therefore, length of the goods train = ‘5x’ metres Speed of train ‘A’ = 54 × (5/18) = 15 m/s According to the question, 5x + x = 15 × 40 => 6x = 600 => x = 100 Therefore, time taken by train ‘B’ to cross train ‘A’ = {(100 + 200)/(40 + 20)} = 5 seconds
A merchant possesses 60 identical items, each marked up by 180% above the cost price. He sells 30 of these items at a 25% discount and the remaining 30 ...
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A costs thrice as much as B. A is sold at a loss of 15% and B is sold at 7/5th of its price. If selling price of A is Rs. 2300 more than selling price o...
A seller sells two items, one at a 25% profit and the other at a 15% loss. If the selling prices of both items are the same and the overall transaction ...
A shopkeeper marks the price of an item 40% above its cost price and then offers a discount of 25% on the marked price. If the shopkeeper still earns a ...
A trader buys 150 kg of rice at ₹20 per kg and 100 kg of rice at ₹25 per kg. He mixes them and sells the mixture at ₹27 per kg. What is his overal...
A dishonest dealer professes to sell his goods at cost price, but he uses a weight of 700 gm for the kg weight. Find his approximate gain per cent.
...Mayank gives 25% discount to his customer but he sells only smuggled goods and as a bribe he pays 10% on the cost price. Find what should be the Marked ...
