Class 7 Maths Worksheet: Profit and Loss, Simple Interest

Maths worksheets lesson 54: Comparing quantities: percentage, profit and loss, simple interest · Set 471 · 40 sums

The method (Out of 100): p% of a number = number × p ÷ 100. Profit = SP − CP; loss = CP − SP. Profit % (or loss %) = profit (or loss) ÷ CP × 100. Selling price at p% profit = CP + p% of CP; at p% loss = CP − p% of CP. Simple interest = P × R × T ÷ 100; amount = P + SI. % increase or decrease = change ÷ old value × 100.

1. 1.A cooler costs ₹1200. It is sold at a 50% profit. What is the selling price (in ₹)?
2. 2.A watch bought for ₹1100 is sold for ₹880. What is the loss per cent?
3. 3.A shopkeeper buys a cooler for ₹1500 and sells it for ₹1710. What is the profit (in ₹)?
4. 4.A cricket kit costs ₹4000. It is sold at a 20% profit. What is the selling price (in ₹)?
5. 5.What is the amount (principal + simple interest) on ₹9500 at 3% per year for 4 years (in ₹)?
6. 6.The price of a cricket ball changed from ₹50 to ₹80. What is the percentage increase?
7. 7.What is the simple interest on ₹4400 at 3% per year for 5 years (in ₹)?
8. 8.What is the amount (principal + simple interest) on ₹9000 at 6% per year for 2 years (in ₹)?
9. 9.A mobile phone costs ₹2700. It is sold at a 15% profit. What is the selling price (in ₹)?
10. 10.The price of a cricket ball changed from ₹80 to ₹100. What is the percentage increase?
11. 11.A fan costs ₹300. It is sold at a 15% loss. What is the selling price (in ₹)?
12. 12.What is 75% of 400?
13. 13.The price of a pair of shoes changed from ₹400 to ₹600. What is the percentage increase?
14. 14.What is the amount (principal + simple interest) on ₹1900 at 2% per year for 3 years (in ₹)?
15. 15.A fan bought for ₹3900 is sold for ₹4290. What is the profit per cent?
16. 16.A shopkeeper buys a mobile phone for ₹1650 and sells it for ₹1450. What is the loss (in ₹)?
17. 17.A cooler costs ₹1100. It is sold at a 12% loss. What is the selling price (in ₹)?
18. 18.A shopkeeper buys a cycle for ₹200 and sells it for ₹280. What is the profit (in ₹)?
19. 19.What is the simple interest on ₹8100 at 6% per year for 1 year (in ₹)?
20. 20.What is the simple interest on ₹7900 at 5% per year for 1 year (in ₹)?
21. 21.The price of a bus pass changed from ₹80 to ₹56. What is the percentage decrease?
22. 22.The price of a school bag changed from ₹40 to ₹4. What is the percentage decrease?
23. 23.A shopkeeper buys a watch for ₹2600 and sells it for ₹2550. What is the loss (in ₹)?
24. 24.What is the amount (principal + simple interest) on ₹4100 at 4% per year for 1 year (in ₹)?
25. 25.What is the simple interest on ₹9800 at 4% per year for 5 years (in ₹)?
26. 26.What is the simple interest on ₹4100 at 8% per year for 1 year (in ₹)?
27. 27.A shopkeeper buys a mobile phone for ₹2000 and sells it for ₹2250. What is the profit (in ₹)?
28. 28.What is 15% of 760?
29. 29.What is the amount (principal + simple interest) on ₹9600 at 4% per year for 2 years (in ₹)?
30. 30.What is the amount (principal + simple interest) on ₹7300 at 6% per year for 1 year (in ₹)?
31. 31.What is the simple interest on ₹7100 at 12% per year for 5 years (in ₹)?
32. 32.What is the amount (principal + simple interest) on ₹8100 at 9% per year for 3 years (in ₹)?
33. 33.A cooler costs ₹1100. It is sold at a 20% profit. What is the selling price (in ₹)?
34. 34.A fan costs ₹600. It is sold at a 5% loss. What is the selling price (in ₹)?
35. 35.What is the amount (principal + simple interest) on ₹1300 at 6% per year for 5 years (in ₹)?
36. 36.What is 95% of 160?
37. 37.What is the amount (principal + simple interest) on ₹8900 at 12% per year for 3 years (in ₹)?
38. 38.A sewing machine bought for ₹300 is sold for ₹315. What is the profit per cent?
39. 39.What is 40% of 680?
40. 40.A cycle bought for ₹3600 is sold for ₹3780. What is the profit per cent?

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