Class 7 Maths Worksheet: Profit and Loss, Simple Interest

Maths worksheets lesson 54: Comparing quantities: percentage, profit and loss, simple interest · Set 871 · 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 water bottle changed from ₹200 to ₹210. What is the percentage increase?
2. 2.The price of a pair of shoes changed from ₹20 to ₹28. What is the percentage increase?
3. 3.What is the amount (principal + simple interest) on ₹8500 at 4% per year for 3 years (in ₹)?
4. 4.A cooler bought for ₹1800 is sold for ₹1710. What is the loss per cent?
5. 5.What is the simple interest on ₹8400 at 8% per year for 5 years (in ₹)?
6. 6.What is 25% of 960?
7. 7.What is 45% of 800?
8. 8.What is the simple interest on ₹3500 at 11% per year for 3 years (in ₹)?
9. 9.A shopkeeper buys a watch for ₹2000 and sells it for ₹1810. What is the loss (in ₹)?
10. 10.What is the simple interest on ₹5700 at 11% per year for 5 years (in ₹)?
11. 11.What is the simple interest on ₹8400 at 2% per year for 5 years (in ₹)?
12. 12.What is the simple interest on ₹3100 at 2% per year for 4 years (in ₹)?
13. 13.The price of a box of mangoes changed from ₹25 to ₹45. What is the percentage increase?
14. 14.The price of a cricket ball changed from ₹40 to ₹50. What is the percentage increase?
15. 15.A sewing machine bought for ₹1600 is sold for ₹1840. What is the profit per cent?
16. 16.What is 5% of 300?
17. 17.The price of a cricket ball changed from ₹40 to ₹30. What is the percentage decrease?
18. 18.A shopkeeper buys a fan for ₹1650 and sells it for ₹1900. What is the profit (in ₹)?
19. 19.What is 20% of 460?
20. 20.What is 45% of 880?
21. 21.A shopkeeper buys a sewing machine for ₹1150 and sells it for ₹1270. What is the profit (in ₹)?
22. 22.What is the simple interest on ₹7900 at 9% per year for 3 years (in ₹)?
23. 23.A mobile phone costs ₹300. It is sold at a 15% loss. What is the selling price (in ₹)?
24. 24.The price of a box of mangoes changed from ₹200 to ₹380. What is the percentage increase?
25. 25.The price of a pair of shoes changed from ₹50 to ₹5. What is the percentage decrease?
26. 26.A cycle costs ₹1200. It is sold at a 25% loss. What is the selling price (in ₹)?
27. 27.What is the amount (principal + simple interest) on ₹4700 at 2% per year for 3 years (in ₹)?
28. 28.What is the simple interest on ₹1200 at 8% per year for 2 years (in ₹)?
29. 29.What is the amount (principal + simple interest) on ₹6200 at 11% per year for 5 years (in ₹)?
30. 30.The price of a school bag changed from ₹50 to ₹60. What is the percentage increase?
31. 31.A shopkeeper buys a cycle for ₹800 and sells it for ₹580. What is the loss (in ₹)?
32. 32.A shopkeeper buys a cooler for ₹1600 and sells it for ₹1510. What is the loss (in ₹)?
33. 33.What is the simple interest on ₹1900 at 2% per year for 4 years (in ₹)?
34. 34.What is 30% of 980?
35. 35.A fan bought for ₹1700 is sold for ₹1870. What is the profit per cent?
36. 36.What is 90% of 560?
37. 37.A cycle costs ₹300. It is sold at a 20% profit. What is the selling price (in ₹)?
38. 38.What is 5% of 920?
39. 39.A cricket kit bought for ₹1300 is sold for ₹1144. What is the loss per cent?
40. 40.A shopkeeper buys a fan for ₹2400 and sells it for ₹2310. What is the loss (in ₹)?

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