Question
A train can cross a pole, a bridge of 800 meter long and
platform of 750 meter long in 13 seconds, _____ seconds and 28 seconds, respectively. The value given in which of the following option will fill the blank to make the above statement true:Solution
Let the length of the train = x meter So according to question: x/13 = (x + 750)/28 28x = 13x + 9750 15x = 9750 x = 650 So the length of the train = 650 m Speed of the train = 650/13 = 50 m/s Time taken by the train to cross a bridge 800 meter long = (650 + 800)/50 = 1450/50 = 29 seconds
A man purchased an article for Rs 2,000. He sold it to the first customer at a 10% loss, and the first customer then sold it to the second customer at a...
If by selling an article for Rs. 480 a shopkeeper gains 20%, find its cost. Â
A seller marks up the price of an article by 35% and then gives a discount of 20%. What is the profit if the marked price of the article is ₹810?
A shopkeeper buys 20 articles for ₹5000 and sells them at a profit of 30%. What is the selling price of each article?
When a lamp and a table are sold at 10% profit and 25% profit, respectively, the seller earns Rs. 30 more in comparison when they are sold by interchang...
- A shopkeeper tagged a gadget for Rs. 500 and sold it after allowing successive discounts of 10% and 25%. If his overall profit was Rs. 35, what was the cos...
A Company allow 8% commission on the total sales to its salesman but if the salesman is appointed on a fix salary of Rs. 5000 and 6% commission on the s...
A shopkeeper bought machine at Rs. 16800 and he marked up above its purchased price and sold it to a customer at 12.5% discount on the marked price and ...
When a person sold an article, his profit% is 40% of the selling price. If the cost price is increased by 50% and the selling price remains the same, th...
While selling a Bike, Neil gives a discount of 20% on the marked price. If he gives a discount of 24%, he earns Rs.70 less as profit. The marked price o...
