Class 7 Maths Worksheet: Profit and Loss, Simple Interest

Maths worksheets lesson 54: Comparing quantities: percentage, profit and loss, simple interest · Set 70 · 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 ₹64. What is the percentage decrease?
2. 2.What is the simple interest on ₹3300 at 2% per year for 4 years (in ₹)?
3. 3.A cooler costs ₹200. It is sold at a 50% loss. What is the selling price (in ₹)?
4. 4.What is the simple interest on ₹7000 at 11% per year for 4 years (in ₹)?
5. 5.What is the simple interest on ₹9800 at 9% per year for 4 years (in ₹)?
6. 6.What is the simple interest on ₹5000 at 3% per year for 3 years (in ₹)?
7. 7.A cycle bought for ₹1500 is sold for ₹2250. What is the profit per cent?
8. 8.The price of a school bag changed from ₹400 to ₹600. What is the percentage increase?
9. 9.The price of a school bag changed from ₹20 to ₹30. What is the percentage increase?
10. 10.A table costs ₹900. It is sold at a 30% loss. What is the selling price (in ₹)?
11. 11.The price of a cricket ball changed from ₹400 to ₹440. What is the percentage increase?
12. 12.What is 40% of 960?
13. 13.What is 95% of 340?
14. 14.What is the simple interest on ₹6300 at 2% per year for 2 years (in ₹)?
15. 15.What is 30% of 680?
16. 16.A mobile phone costs ₹3500. It is sold at a 12% loss. What is the selling price (in ₹)?
17. 17.What is 30% of 80?
18. 18.What is the simple interest on ₹6800 at 4% per year for 2 years (in ₹)?
19. 19.What is the amount (principal + simple interest) on ₹5800 at 2% per year for 2 years (in ₹)?
20. 20.A table costs ₹3600. It is sold at a 40% profit. What is the selling price (in ₹)?
21. 21.What is the amount (principal + simple interest) on ₹2600 at 2% per year for 1 year (in ₹)?
22. 22.What is 5% of 40?
23. 23.A shopkeeper buys a cricket kit for ₹2450 and sells it for ₹2490. What is the profit (in ₹)?
24. 24.A shopkeeper buys a fan for ₹1550 and sells it for ₹1520. What is the loss (in ₹)?
25. 25.A shopkeeper buys a watch for ₹450 and sells it for ₹350. What is the loss (in ₹)?
26. 26.What is the simple interest on ₹4600 at 10% per year for 1 year (in ₹)?
27. 27.A cycle costs ₹2700. It is sold at a 10% profit. What is the selling price (in ₹)?
28. 28.What is 80% of 980?
29. 29.A mobile phone costs ₹2200. It is sold at a 25% profit. What is the selling price (in ₹)?
30. 30.The price of a box of mangoes changed from ₹20 to ₹35. What is the percentage increase?
31. 31.The price of a box of mangoes changed from ₹200 to ₹190. What is the percentage decrease?
32. 32.What is 85% of 40?
33. 33.A cricket kit bought for ₹4000 is sold for ₹4600. What is the profit per cent?
34. 34.What is the amount (principal + simple interest) on ₹7700 at 3% per year for 2 years (in ₹)?
35. 35.A cricket kit costs ₹1100. It is sold at a 5% loss. What is the selling price (in ₹)?
36. 36.What is the amount (principal + simple interest) on ₹2100 at 10% per year for 1 year (in ₹)?
37. 37.What is the simple interest on ₹6300 at 5% per year for 3 years (in ₹)?
38. 38.A shopkeeper buys a cycle for ₹900 and sells it for ₹760. What is the loss (in ₹)?
39. 39.What is the amount (principal + simple interest) on ₹1600 at 6% per year for 5 years (in ₹)?
40. 40.What is the amount (principal + simple interest) on ₹2600 at 4% per year for 1 year (in ₹)?

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