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Class 7 Maths Worksheet: Profit and Loss, Simple Interest

Maths worksheets lesson 54: Comparing quantities: percentage, profit and loss, simple interest · Set 469 · 40 sums
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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.

NameDateTime takenScore ___ / 40
  1. 1.What is the simple interest on ₹4000 at 2% per year for 4 years (in ₹)?
  2. 2.A shopkeeper buys a sewing machine for ₹2750 and sells it for ₹2740. What is the loss (in ₹)?
  3. 3.What is the simple interest on ₹9100 at 9% per year for 4 years (in ₹)?
  4. 4.A cycle costs ₹200. It is sold at a 30% profit. What is the selling price (in ₹)?
  5. 5.The price of a pair of shoes changed from ₹200 to ₹180. What is the percentage decrease?
  6. 6.What is 5% of 160?
  7. 7.What is the amount (principal + simple interest) on ₹6100 at 5% per year for 3 years (in ₹)?
  8. 8.What is the amount (principal + simple interest) on ₹4200 at 12% per year for 5 years (in ₹)?
  9. 9.The price of a water bottle changed from ₹40 to ₹76. What is the percentage increase?
  10. 10.A shopkeeper buys a sewing machine for ₹2000 and sells it for ₹1920. What is the loss (in ₹)?
  11. 11.What is 25% of 320?
  12. 12.A mobile phone costs ₹400. It is sold at a 12% profit. What is the selling price (in ₹)?
  13. 13.A shopkeeper buys a watch for ₹350 and sells it for ₹340. What is the loss (in ₹)?
  14. 14.What is 65% of 720?
  15. 15.What is the amount (principal + simple interest) on ₹2200 at 2% per year for 1 year (in ₹)?
  16. 16.What is 40% of 960?
  17. 17.The price of a bus pass changed from ₹25 to ₹30. What is the percentage increase?
  18. 18.A cricket kit costs ₹600. It is sold at a 10% loss. What is the selling price (in ₹)?
  19. 19.A table costs ₹3900. It is sold at a 20% loss. What is the selling price (in ₹)?
  20. 20.A shopkeeper buys a fan for ₹1400 and sells it for ₹1220. What is the loss (in ₹)?
  21. 21.What is the simple interest on ₹1100 at 7% per year for 2 years (in ₹)?
  22. 22.A watch costs ₹2400. It is sold at a 25% loss. What is the selling price (in ₹)?
  23. 23.A cooler costs ₹3300. It is sold at a 40% profit. What is the selling price (in ₹)?
  24. 24.A mobile phone costs ₹200. It is sold at a 40% loss. What is the selling price (in ₹)?
  25. 25.A cricket kit costs ₹2800. It is sold at a 12% loss. What is the selling price (in ₹)?
  26. 26.What is 5% of 660?
  27. 27.What is the amount (principal + simple interest) on ₹9100 at 2% per year for 5 years (in ₹)?
  28. 28.The price of a cricket ball changed from ₹100 to ₹140. What is the percentage increase?
  29. 29.What is 85% of 800?
  30. 30.A shopkeeper buys a watch for ₹750 and sells it for ₹800. What is the profit (in ₹)?
  31. 31.What is 35% of 620?
  32. 32.What is 35% of 580?
  33. 33.What is 20% of 260?
  34. 34.What is the simple interest on ₹7500 at 12% per year for 2 years (in ₹)?
  35. 35.A shopkeeper buys a sewing machine for ₹650 and sells it for ₹390. What is the loss (in ₹)?
  36. 36.What is 70% of 40?
  37. 37.What is 85% of 500?
  38. 38.A table bought for ₹800 is sold for ₹680. What is the loss per cent?
  39. 39.A fan bought for ₹1000 is sold for ₹1200. What is the profit per cent?
  40. 40.A cooler costs ₹1800. It is sold at a 5% profit. What is the selling price (in ₹)?

Answer key

  1. 320
  2. 10
  3. 3276
  4. 260
  5. 10
  6. 8
  7. 7015
  8. 6720
  9. 90
  10. 80
  11. 80
  12. 448
  13. 10
  14. 468
  15. 2244
  16. 384
  17. 20
  18. 540
  19. 3120
  20. 180
  21. 154
  22. 1800
  23. 4620
  24. 120
  25. 2464
  26. 33
  27. 10010
  28. 40
  29. 680
  30. 50
  31. 217
  32. 203
  33. 52
  34. 1800
  35. 260
  36. 28
  37. 425
  38. 15
  39. 20
  40. 1890

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