Class 7 Maths Worksheet: Profit and Loss, Simple Interest

Maths worksheets lesson 54: Comparing quantities: percentage, profit and loss, simple interest · Set 989 · 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 ₹40 to ₹70. What is the percentage increase?
2. 2.The price of a cricket ball changed from ₹50 to ₹60. What is the percentage increase?
3. 3.A mobile phone bought for ₹2300 is sold for ₹2530. What is the profit per cent?
4. 4.What is the simple interest on ₹6000 at 3% per year for 4 years (in ₹)?
5. 5.What is the simple interest on ₹5800 at 12% per year for 1 year (in ₹)?
6. 6.The price of a pair of shoes changed from ₹50 to ₹49. What is the percentage decrease?
7. 7.The price of a cricket ball changed from ₹200 to ₹160. What is the percentage decrease?
8. 8.What is the simple interest on ₹600 at 3% per year for 2 years (in ₹)?
9. 9.What is the amount (principal + simple interest) on ₹1900 at 2% per year for 1 year (in ₹)?
10. 10.A table bought for ₹3600 is sold for ₹3780. What is the profit per cent?
11. 11.The price of a water bottle changed from ₹80 to ₹56. What is the percentage decrease?
12. 12.The price of a pair of shoes changed from ₹20 to ₹8. What is the percentage decrease?
13. 13.A watch bought for ₹3200 is sold for ₹3520. What is the profit per cent?
14. 14.What is the simple interest on ₹9500 at 11% per year for 1 year (in ₹)?
15. 15.What is 80% of 500?
16. 16.A watch bought for ₹1900 is sold for ₹1710. What is the loss per cent?
17. 17.The price of a school bag changed from ₹200 to ₹190. What is the percentage decrease?
18. 18.What is the amount (principal + simple interest) on ₹6700 at 3% per year for 1 year (in ₹)?
19. 19.What is the amount (principal + simple interest) on ₹5900 at 9% per year for 3 years (in ₹)?
20. 20.The price of a pair of shoes changed from ₹80 to ₹128. What is the percentage increase?
21. 21.What is the amount (principal + simple interest) on ₹9200 at 12% per year for 3 years (in ₹)?
22. 22.What is 75% of 160?
23. 23.What is the simple interest on ₹2500 at 6% per year for 3 years (in ₹)?
24. 24.What is the amount (principal + simple interest) on ₹3300 at 9% per year for 3 years (in ₹)?
25. 25.What is the amount (principal + simple interest) on ₹1200 at 3% per year for 4 years (in ₹)?
26. 26.A table bought for ₹2300 is sold for ₹3220. What is the profit per cent?
27. 27.What is 70% of 720?
28. 28.A watch costs ₹4000. It is sold at a 25% loss. What is the selling price (in ₹)?
29. 29.What is the simple interest on ₹2100 at 12% per year for 4 years (in ₹)?
30. 30.A shopkeeper buys a fan for ₹2000 and sells it for ₹2210. What is the profit (in ₹)?
31. 31.What is the amount (principal + simple interest) on ₹9600 at 10% per year for 3 years (in ₹)?
32. 32.What is the simple interest on ₹5100 at 12% per year for 3 years (in ₹)?
33. 33.The price of a school bag changed from ₹50 to ₹75. What is the percentage increase?
34. 34.A shopkeeper buys a watch for ₹500 and sells it for ₹750. What is the profit (in ₹)?
35. 35.A mobile phone costs ₹2900. It is sold at a 50% loss. What is the selling price (in ₹)?
36. 36.What is the amount (principal + simple interest) on ₹2900 at 9% per year for 1 year (in ₹)?
37. 37.What is the amount (principal + simple interest) on ₹5600 at 9% per year for 4 years (in ₹)?
38. 38.A watch bought for ₹3800 is sold for ₹2280. What is the loss per cent?
39. 39.The price of a water bottle changed from ₹200 to ₹320. What is the percentage increase?
40. 40.A shopkeeper buys a fan for ₹2850 and sells it for ₹2600. What is the loss (in ₹)?

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