Profit and Loss, Time and Work, Time Speed and Distance - One Line Questions

1. P can do a piece of work in 20 days and Q can do the same work in 30 days. They start working together, but P leaves after 10 days. In how many more days will Q finish the work? — 10 days
2. A, B, and C can complete a work in 12 days, 18 days, and 36 days respectively. They start working together. After 2 days, A leaves. B and C continue for 4 more days, and then B leaves. In how many days will C finish the remaining work? — 12 days
3. If 10 men can do a work in 20 days, then 20 men can do the same work in how many days? — 10 days
4. A train passes a man standing on a platform in 10 seconds and passes the platform in 30 seconds. If the length of the platform is 200 meters, find the speed of the train. — 10 m/s
5. A train 100 meters long is running at 70 km/hr. In what time will it pass a man who is running at 8 km/hr in the same direction? — 12 seconds
6. A shopkeeper marks his goods 50% above the cost price. He then gives a discount of 20% on the marked price. His profit percentage is: — 20%
7. A shopkeeper buys 11 articles for Rs. 100. He sells 10 articles for Rs. 110. His profit percentage is: — 21%
8. A person travels from city X to city Y at 40 km/hr and returns from Y to X at 60 km/hr. If the total time taken is 5 hours, what is the distance between city X and city Y? — 120 km
9. A train travelling at 60 km/hr crosses a pole in 9 seconds. What is the length of the train? — 150 meters
10. A shopkeeper marks up the price of a product by 40% and then offers a discount of 20%. What is his net profit percentage? — 12%
11. A person travels a distance of 60 km in 5 hours. If he covers the first two-thirds of the distance in three-fifths of the total time, what is his speed during the remaining journey? — 24 km/hr
12. If a train travels at 72 km/hr, what is its speed in meters per second? — 20 m/s
13. Two trains are running in opposite directions at speeds of 50 km/hr and 40 km/hr. If the length of the first train is 200 meters and the second train is 150 meters, in how much time will they cross each other? — 16.36 seconds
14. A shopkeeper buys a watch for Rs. 1500 and sells it for Rs. 1800. What is the profit percentage? — 20%
15. A trader buys a dozen pens at Rs. 60 per dozen. He sells 8 pens at Rs. 7 each and the remaining 4 pens at Rs. 5 each. His profit percentage is: — 20%
16. If the selling price of 10 pens is equal to the cost price of 12 pens, then the profit percentage is: — 20%
17. Ram can complete a work in 10 days. Shyam can complete the same work in 20 days. They work together for 5 days. The remaining work will be completed by Ram in how many days? — 3 days
18. A can do a piece of work in 8 days and B can do it in 16 days. They work together for 4 days. The remaining work is completed by A in how many days? — 2 days
19. A can do a work in 4 days. B can do the same work in 6 days. If they work together, how many days will it take to complete the work? — 2.4 days
20. A train travels at a speed of 60 km/hr. How many hours will it take to cover a distance of 150 km? — 2.5 hours
21. A can do a piece of work in 30 days. B can do it in 45 days. They work together for 10 days. The remaining work will be completed by B in how many days? — 30 days
22. A train crosses a platform in 30 seconds. If the length of the train is 150 meters and the length of the platform is 250 meters, what is the speed of the train? — 20 m/s
23. If the cost price of an article is 80% of its selling price, then the profit percentage is: — 25%
24. The cost price of 10 articles is equal to the selling price of 8 articles. The profit percentage is: — 25%
25. By selling 120 notebooks, a seller gains the cost price of 30 notebooks. The gain percentage is: — 25%
26. A train travelling at 45 km/hr crosses a signal pole in 18 seconds. What is the length of the train? — 225 meters
27. A and B together can complete a work in 10 days. A alone can complete the same work in 15 days. In how many days can B alone complete the work? — 30 days
28. A and B can complete a work in 6 days and 8 days respectively. They start working together, but B leaves after 3 days. How many days will A take to complete the remaining work? — 5 days
29. A can complete a work in 9 days. B can do it in 15 days. If they work together, how many days will it take to complete 40% of the work? — 3.75 days
30. A train travelling at 54 km/hr crosses a bridge in 20 seconds. If the length of the train is 200 meters, what is the length of the bridge? — 350 meters
31. A shopkeeper allows a discount of 10% on the marked price. If he still makes a profit of 20%, by what percentage is the marked price above the cost price? — 33.33%
32. If the selling price of 15 items is equal to the cost price of 20 items, then the profit percentage is: — 33.33%
33. A shopkeeper offers a discount of 10% on the marked price of an item. To make a profit of 20%, by what percentage must he mark the price above the cost price? — 33.33%
34. A, B, and C can finish a work in 12, 18, and 15 days respectively. If they work together, how long will it take to finish the work? — 4.5 days
35. A, B, and C can complete a work in 10, 12, and 15 days respectively. They start working together. After 2 days, C leaves. In how many days will A and B complete the remaining work? — 4 days
36. A car covers a distance of 50 km in 2 hours. How much time will it take to cover 125 km at the same speed? — 5 hours
37. A person walks 1 km in 10 minutes. How many kilometers will he walk in 50 minutes? — 5 km
38. A shopkeeper sells two items at Rs. 1000 each. On one, he gains 20% and on the other, he loses 20%. What is his overall profit or loss percentage? — 4% loss
39. A person travels from point A to point B at a speed of 40 km/hr and returns from point B to point A at a speed of 60 km/hr. What is the average speed for the entire journey? — 48 km/hr
40. A and B can complete a piece of work in 10 days and 15 days respectively. In how many days can they together complete the same work? — 6 days
41. A and B can complete a piece of work in 15 days and 10 days respectively. They start working together, but B leaves after 5 days. In how many days will A complete the remaining work? — 6 days
42. A merchant buys 20 kg of sugar at Rs. 15 per kg. He sells 12 kg at Rs. 18 per kg and the remaining 8 kg at Rs. 13 per kg. Find his profit percentage. — 6%
43. Two trains of lengths 100 meters and 150 meters are running on parallel tracks at speeds of 40 km/hr and 50 km/hr respectively. In how much time will they pass each other if they are running in the same direction? — 36 seconds
44. A man walks at a speed of 5 km/hr. How much distance will he cover in 1 hour and 30 minutes? — 7.5 km
45. A car travels a distance of 300 km in 4 hours. What is its average speed? — 75 km/hr
46. A and B can do a piece of work in 12 days and 18 days respectively. They start working together, but A leaves 3 days before the completion of the work. In how many days is the work completed? — 8.4 days
47. A tradesman marks his goods at 20% above the cost price and sells them at a discount of 10% on the marked price. What is the profit percentage? — 8%
48. A shopkeeper sells an article for Rs. 720 and makes a profit of 20%. He sells another article for Rs. 960 and makes a loss of 4%. What is his overall profit or loss percentage? — Profit of 5%
49. A trader buys 15 kg of rice at Rs. 10 per kg. He sells 10 kg at Rs. 12 per kg and the remaining 5 kg at Rs. 8 per kg. His profit or loss percentage is: — Profit of 6.67%
50. If a shopkeeper sells an article for Rs. 240 and makes a profit of 20%, the cost price of the article is: — Rs. 200
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