Class 7 Maths Worksheet: Profit and Loss, Simple Interest

Maths worksheets lesson 54: Comparing quantities: percentage, profit and loss, simple interest · Set 521 · 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.A shopkeeper buys a table for ₹2150 and sells it for ₹1970. What is the loss (in ₹)?
2. 2.The price of a water bottle changed from ₹400 to ₹160. What is the percentage decrease?
3. 3.A shopkeeper buys a table for ₹2350 and sells it for ₹2450. What is the profit (in ₹)?
4. 4.The price of a water bottle changed from ₹80 to ₹84. What is the percentage increase?
5. 5.What is 70% of 960?
6. 6.A shopkeeper buys a watch for ₹2250 and sells it for ₹2460. What is the profit (in ₹)?
7. 7.A shopkeeper buys a watch for ₹500 and sells it for ₹680. What is the profit (in ₹)?
8. 8.What is the simple interest on ₹3900 at 9% per year for 1 year (in ₹)?
9. 9.What is the amount (principal + simple interest) on ₹9600 at 2% per year for 5 years (in ₹)?
10. 10.A shopkeeper buys a mobile phone for ₹600 and sells it for ₹320. What is the loss (in ₹)?
11. 11.What is 20% of 340?
12. 12.What is the amount (principal + simple interest) on ₹9200 at 2% per year for 3 years (in ₹)?
13. 13.A shopkeeper buys a cycle for ₹2700 and sells it for ₹3000. What is the profit (in ₹)?
14. 14.What is the amount (principal + simple interest) on ₹6700 at 6% per year for 1 year (in ₹)?
15. 15.A mobile phone costs ₹2400. It is sold at a 12% profit. What is the selling price (in ₹)?
16. 16.A cricket kit bought for ₹3900 is sold for ₹3120. What is the loss per cent?
17. 17.A cooler bought for ₹600 is sold for ₹720. What is the profit per cent?
18. 18.What is 15% of 380?
19. 19.A sewing machine costs ₹800. It is sold at a 20% loss. What is the selling price (in ₹)?
20. 20.A mobile phone bought for ₹800 is sold for ₹1200. What is the profit per cent?
21. 21.A shopkeeper buys a cycle for ₹1450 and sells it for ₹1650. What is the profit (in ₹)?
22. 22.The price of a school bag changed from ₹500 to ₹450. What is the percentage decrease?
23. 23.A shopkeeper buys a cooler for ₹300 and sells it for ₹40. What is the loss (in ₹)?
24. 24.A shopkeeper buys a watch for ₹300 and sells it for ₹130. What is the loss (in ₹)?
25. 25.A table costs ₹1500. It is sold at a 12% profit. What is the selling price (in ₹)?
26. 26.The price of a cricket ball changed from ₹25 to ₹15. What is the percentage decrease?
27. 27.A fan costs ₹400. It is sold at a 15% profit. What is the selling price (in ₹)?
28. 28.What is the simple interest on ₹3500 at 9% per year for 1 year (in ₹)?
29. 29.The price of a school bag changed from ₹500 to ₹505. What is the percentage increase?
30. 30.What is the amount (principal + simple interest) on ₹3300 at 5% per year for 5 years (in ₹)?
31. 31.A cycle bought for ₹2500 is sold for ₹1750. What is the loss per cent?
32. 32.What is the amount (principal + simple interest) on ₹3100 at 4% per year for 4 years (in ₹)?
33. 33.What is 55% of 60?
34. 34.A shopkeeper buys a mobile phone for ₹1650 and sells it for ₹1640. What is the loss (in ₹)?
35. 35.What is the simple interest on ₹1900 at 5% per year for 2 years (in ₹)?
36. 36.A shopkeeper buys a cricket kit for ₹1800 and sells it for ₹2040. What is the profit (in ₹)?
37. 37.A cooler costs ₹600. It is sold at a 30% loss. What is the selling price (in ₹)?
38. 38.What is the simple interest on ₹4900 at 7% per year for 5 years (in ₹)?
39. 39.A shopkeeper buys a cooler for ₹650 and sells it for ₹950. What is the profit (in ₹)?
40. 40.What is 5% of 740?

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