Question
A train passes 150 m long platform in 10 seconds and a
man standing on the platform in 8 seconds. Find the speed of the train?Solution
Let the length of the train be x m Length of the platform = 150 m Now, (x+150)/10 = x/8 8x + 1200 = 10x 1200 = 2x x = 600 Length of the train = 600 m Speed of the train = 600/8 = 75 m/s = 75 × 18/5 = 270 km/h
An article is priced 25% higher than its cost price and is sold at a discount of 10% on the marked price. If the profit made from the sale is Rs. 50, de...
A fruit seller sells mangoes at a profit of 20%. If he had bought them at 10% less and sold them for ₹3 less per mango, he would have gained 25%. Find...
A manufacturer produces an item at a cost of Rs. 1200 per unit. Fixed costs are Rs. 60000, and he sells the item at Rs. 2000 per unit. How many units mu...
A man buys 15 identical articles for a total of ₹15. If he sells each of them for ₹1.23, then his profit percentage is:
P purchased a book from registered store and gets 12% discount while Q purchased the same book from a roadside stall and got 18% discount. If Q paid Rs....
- Arjun sold two items for Rs. 990 each, one at 10% profit and other at 10% loss. Determine his overall profit/loss % from the whole transaction
A chair listed at 550 is available at successive discounts of 25% and 10%. The selling price of the chair is
A shopkeeper purchased an article for Rs. ‘a’ and marked it 135% above its cost price and sold it after giving two successive discounts of 200 and 2...
- A trader purchases an article for Rs. 2,600. It is marked at 20% above cost price and then sold after offering a discount of Rs. 200. Determine the profit ...
The purchasing price of 275 articles is equal to the selling price of 250 articles. Find the profit/loss%.
