Class 7 Maths Worksheet: Profit and Loss, Simple Interest

Maths worksheets lesson 54: Comparing quantities: percentage, profit and loss, simple interest · Set 726 · 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 cricket ball changed from ₹100 to ₹140. What is the percentage increase?
2. 2.What is 20% of 120?
3. 3.What is 15% of 360?
4. 4.The price of a water bottle changed from ₹20 to ₹24. What is the percentage increase?
5. 5.What is 25% of 900?
6. 6.What is the simple interest on ₹4400 at 5% per year for 4 years (in ₹)?
7. 7.What is the amount (principal + simple interest) on ₹3200 at 4% per year for 3 years (in ₹)?
8. 8.A cycle bought for ₹2400 is sold for ₹2688. What is the profit per cent?
9. 9.What is the simple interest on ₹5900 at 7% per year for 1 year (in ₹)?
10. 10.A shopkeeper buys a watch for ₹2950 and sells it for ₹3030. What is the profit (in ₹)?
11. 11.A shopkeeper buys a cricket kit for ₹1150 and sells it for ₹1200. What is the profit (in ₹)?
12. 12.A shopkeeper buys a cycle for ₹250 and sells it for ₹190. What is the loss (in ₹)?
13. 13.What is 60% of 1000?
14. 14.A table costs ₹900. It is sold at a 20% loss. What is the selling price (in ₹)?
15. 15.The price of a school bag changed from ₹25 to ₹45. What is the percentage increase?
16. 16.A mobile phone costs ₹2700. It is sold at a 20% profit. What is the selling price (in ₹)?
17. 17.What is the simple interest on ₹8600 at 11% per year for 1 year (in ₹)?
18. 18.What is 25% of 540?
19. 19.A watch costs ₹3100. It is sold at a 12% profit. What is the selling price (in ₹)?
20. 20.A shopkeeper buys a mobile phone for ₹1000 and sells it for ₹980. What is the loss (in ₹)?
21. 21.What is the simple interest on ₹6300 at 11% per year for 5 years (in ₹)?
22. 22.The price of a school bag changed from ₹200 to ₹380. What is the percentage increase?
23. 23.What is the simple interest on ₹2700 at 10% per year for 1 year (in ₹)?
24. 24.The price of a school bag changed from ₹400 to ₹404. What is the percentage increase?
25. 25.What is the amount (principal + simple interest) on ₹4600 at 8% per year for 1 year (in ₹)?
26. 26.What is the amount (principal + simple interest) on ₹4600 at 2% per year for 1 year (in ₹)?
27. 27.What is the amount (principal + simple interest) on ₹1000 at 7% per year for 2 years (in ₹)?
28. 28.What is 10% of 300?
29. 29.What is the amount (principal + simple interest) on ₹1200 at 4% per year for 5 years (in ₹)?
30. 30.A shopkeeper buys a cooler for ₹550 and sells it for ₹370. What is the loss (in ₹)?
31. 31.A shopkeeper buys a cricket kit for ₹2400 and sells it for ₹2140. What is the loss (in ₹)?
32. 32.What is 80% of 40?
33. 33.A shopkeeper buys a cycle for ₹1950 and sells it for ₹1940. What is the loss (in ₹)?
34. 34.The price of a cricket ball changed from ₹250 to ₹255. What is the percentage increase?
35. 35.A shopkeeper buys a table for ₹3000 and sells it for ₹3040. What is the profit (in ₹)?
36. 36.What is the amount (principal + simple interest) on ₹7100 at 11% per year for 4 years (in ₹)?
37. 37.A cycle costs ₹3100. It is sold at a 30% profit. What is the selling price (in ₹)?
38. 38.A shopkeeper buys a fan for ₹2600 and sells it for ₹2340. What is the loss (in ₹)?
39. 39.What is the simple interest on ₹1500 at 8% per year for 4 years (in ₹)?
40. 40.A sewing machine bought for ₹3900 is sold for ₹4095. What is the profit per cent?

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