Class 7 Maths Worksheet: Profit and Loss, Simple Interest

Maths worksheets lesson 54: Comparing quantities: percentage, profit and loss, simple interest · Set 389 · 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.What is 55% of 1000?
2. 2.What is the amount (principal + simple interest) on ₹8100 at 12% per year for 5 years (in ₹)?
3. 3.What is the amount (principal + simple interest) on ₹1600 at 10% per year for 5 years (in ₹)?
4. 4.What is 35% of 800?
5. 5.A fan bought for ₹3500 is sold for ₹4375. What is the profit per cent?
6. 6.What is 70% of 440?
7. 7.A sewing machine costs ₹500. It is sold at a 15% loss. What is the selling price (in ₹)?
8. 8.A mobile phone costs ₹1700. It is sold at a 20% profit. What is the selling price (in ₹)?
9. 9.What is 80% of 320?
10. 10.What is the amount (principal + simple interest) on ₹8400 at 6% per year for 4 years (in ₹)?
11. 11.What is the simple interest on ₹4000 at 11% per year for 1 year (in ₹)?
12. 12.The price of a water bottle changed from ₹20 to ₹36. What is the percentage increase?
13. 13.The price of a cricket ball changed from ₹20 to ₹16. What is the percentage decrease?
14. 14.What is the simple interest on ₹8900 at 8% per year for 4 years (in ₹)?
15. 15.A cycle costs ₹2000. It is sold at a 40% loss. What is the selling price (in ₹)?
16. 16.What is the simple interest on ₹7500 at 2% per year for 5 years (in ₹)?
17. 17.A shopkeeper buys a mobile phone for ₹950 and sells it for ₹750. What is the loss (in ₹)?
18. 18.What is the amount (principal + simple interest) on ₹5900 at 5% per year for 2 years (in ₹)?
19. 19.A shopkeeper buys a fan for ₹450 and sells it for ₹250. What is the loss (in ₹)?
20. 20.What is 80% of 480?
21. 21.What is the amount (principal + simple interest) on ₹7300 at 3% per year for 2 years (in ₹)?
22. 22.A mobile phone costs ₹3600. It is sold at a 20% loss. What is the selling price (in ₹)?
23. 23.A cooler costs ₹3800. It is sold at a 25% loss. What is the selling price (in ₹)?
24. 24.The price of a cricket ball changed from ₹50 to ₹35. What is the percentage decrease?
25. 25.What is 25% of 920?
26. 26.A shopkeeper buys a cooler for ₹900 and sells it for ₹710. What is the loss (in ₹)?
27. 27.A shopkeeper buys a cooler for ₹500 and sells it for ₹400. What is the loss (in ₹)?
28. 28.A cycle costs ₹1500. It is sold at a 50% loss. What is the selling price (in ₹)?
29. 29.What is the simple interest on ₹1600 at 10% per year for 5 years (in ₹)?
30. 30.A fan costs ₹3800. It is sold at a 20% loss. What is the selling price (in ₹)?
31. 31.What is 30% of 960?
32. 32.A mobile phone costs ₹3000. It is sold at a 10% profit. What is the selling price (in ₹)?
33. 33.What is the simple interest on ₹4300 at 12% per year for 5 years (in ₹)?
34. 34.What is the simple interest on ₹3600 at 3% per year for 5 years (in ₹)?
35. 35.What is the amount (principal + simple interest) on ₹600 at 10% per year for 4 years (in ₹)?
36. 36.What is the simple interest on ₹600 at 3% per year for 2 years (in ₹)?
37. 37.What is the simple interest on ₹4700 at 6% per year for 2 years (in ₹)?
38. 38.What is 40% of 100?
39. 39.What is 5% of 780?
40. 40.What is 70% of 40?

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