Class 7 Maths Worksheet: Profit and Loss, Simple Interest

Maths worksheets lesson 54: Comparing quantities: percentage, profit and loss, simple interest · Set 108 · 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.The price of a school bag changed from ₹80 to ₹60. What is the percentage decrease?
2. 2.The price of a cricket ball changed from ₹500 to ₹50. What is the percentage decrease?
3. 3.What is 20% of 200?
4. 4.A cooler bought for ₹1000 is sold for ₹1150. What is the profit per cent?
5. 5.What is the simple interest on ₹1300 at 3% per year for 3 years (in ₹)?
6. 6.A shopkeeper buys a fan for ₹800 and sells it for ₹520. What is the loss (in ₹)?
7. 7.A cycle bought for ₹1400 is sold for ₹1750. What is the profit per cent?
8. 8.A fan bought for ₹3600 is sold for ₹3780. What is the profit per cent?
9. 9.A shopkeeper buys a watch for ₹1550 and sells it for ₹1270. What is the loss (in ₹)?
10. 10.The price of a water bottle changed from ₹40 to ₹56. What is the percentage increase?
11. 11.What is the amount (principal + simple interest) on ₹8200 at 12% per year for 1 year (in ₹)?
12. 12.A mobile phone costs ₹1200. It is sold at a 30% loss. What is the selling price (in ₹)?
13. 13.What is the amount (principal + simple interest) on ₹2800 at 9% per year for 4 years (in ₹)?
14. 14.What is the amount (principal + simple interest) on ₹8500 at 9% per year for 2 years (in ₹)?
15. 15.What is 70% of 980?
16. 16.The price of a school bag changed from ₹400 to ₹600. What is the percentage increase?
17. 17.What is 70% of 680?
18. 18.What is the amount (principal + simple interest) on ₹9100 at 10% per year for 3 years (in ₹)?
19. 19.A shopkeeper buys a mobile phone for ₹2050 and sells it for ₹2300. What is the profit (in ₹)?
20. 20.A table bought for ₹1400 is sold for ₹1540. What is the profit per cent?
21. 21.What is the amount (principal + simple interest) on ₹4000 at 5% per year for 3 years (in ₹)?
22. 22.What is the simple interest on ₹1200 at 7% per year for 1 year (in ₹)?
23. 23.The price of a water bottle changed from ₹500 to ₹350. What is the percentage decrease?
24. 24.A shopkeeper buys a fan for ₹1250 and sells it for ₹1300. What is the profit (in ₹)?
25. 25.What is the simple interest on ₹4700 at 9% per year for 4 years (in ₹)?
26. 26.A shopkeeper buys a cycle for ₹1300 and sells it for ₹1600. What is the profit (in ₹)?
27. 27.What is 95% of 460?
28. 28.What is 80% of 880?
29. 29.A shopkeeper buys a fan for ₹1900 and sells it for ₹2030. What is the profit (in ₹)?
30. 30.What is 25% of 820?
31. 31.What is the simple interest on ₹1900 at 6% per year for 5 years (in ₹)?
32. 32.A shopkeeper buys a mobile phone for ₹1450 and sells it for ₹1700. What is the profit (in ₹)?
33. 33.A shopkeeper buys a sewing machine for ₹1100 and sells it for ₹1350. What is the profit (in ₹)?
34. 34.What is the simple interest on ₹9200 at 10% per year for 1 year (in ₹)?
35. 35.A shopkeeper buys a sewing machine for ₹550 and sells it for ₹360. What is the loss (in ₹)?
36. 36.What is the amount (principal + simple interest) on ₹5200 at 9% per year for 4 years (in ₹)?
37. 37.What is the amount (principal + simple interest) on ₹2600 at 9% per year for 2 years (in ₹)?
38. 38.A shopkeeper buys a fan for ₹1600 and sells it for ₹1450. What is the loss (in ₹)?
39. 39.A shopkeeper buys a table for ₹2700 and sells it for ₹2870. What is the profit (in ₹)?
40. 40.What is the amount (principal + simple interest) on ₹9100 at 4% per year for 5 years (in ₹)?

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