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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 168 · 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.A cricket kit costs ₹3000. It is sold at a 20% profit. What is the selling price (in ₹)?
  2. 2.A cooler bought for ₹3800 is sold for ₹3420. What is the loss per cent?
  3. 3.A shopkeeper buys a mobile phone for ₹3000 and sells it for ₹3080. What is the profit (in ₹)?
  4. 4.A cycle costs ₹2600. It is sold at a 5% loss. What is the selling price (in ₹)?
  5. 5.What is 25% of 600?
  6. 6.What is 25% of 840?
  7. 7.The price of a box of mangoes changed from ₹400 to ₹720. What is the percentage increase?
  8. 8.A shopkeeper buys a cooler for ₹1750 and sells it for ₹1780. What is the profit (in ₹)?
  9. 9.A sewing machine costs ₹3500. It is sold at a 20% loss. What is the selling price (in ₹)?
  10. 10.What is 55% of 680?
  11. 11.A shopkeeper buys a watch for ₹1700 and sells it for ₹1760. What is the profit (in ₹)?
  12. 12.A sewing machine costs ₹2900. It is sold at a 10% loss. What is the selling price (in ₹)?
  13. 13.What is 15% of 760?
  14. 14.What is the simple interest on ₹4800 at 5% per year for 3 years (in ₹)?
  15. 15.What is the simple interest on ₹7900 at 11% per year for 4 years (in ₹)?
  16. 16.A shopkeeper buys a sewing machine for ₹950 and sells it for ₹1130. What is the profit (in ₹)?
  17. 17.What is the simple interest on ₹3800 at 8% per year for 5 years (in ₹)?
  18. 18.A cooler costs ₹3200. It is sold at a 40% loss. What is the selling price (in ₹)?
  19. 19.A shopkeeper buys a cooler for ₹2200 and sells it for ₹2180. What is the loss (in ₹)?
  20. 20.A table costs ₹800. It is sold at a 15% loss. What is the selling price (in ₹)?
  21. 21.What is 85% of 580?
  22. 22.The price of a cricket ball changed from ₹50 to ₹40. What is the percentage decrease?
  23. 23.A shopkeeper buys a fan for ₹3000 and sells it for ₹3200. What is the profit (in ₹)?
  24. 24.What is the amount (principal + simple interest) on ₹7600 at 8% per year for 1 year (in ₹)?
  25. 25.A cricket kit costs ₹3300. It is sold at a 20% profit. What is the selling price (in ₹)?
  26. 26.What is the simple interest on ₹7600 at 5% per year for 5 years (in ₹)?
  27. 27.A sewing machine costs ₹1100. It is sold at a 5% loss. What is the selling price (in ₹)?
  28. 28.What is 90% of 120?
  29. 29.What is the simple interest on ₹5600 at 12% per year for 3 years (in ₹)?
  30. 30.What is 15% of 300?
  31. 31.What is the amount (principal + simple interest) on ₹3900 at 7% per year for 2 years (in ₹)?
  32. 32.A cycle bought for ₹2000 is sold for ₹2240. What is the profit per cent?
  33. 33.A table bought for ₹3000 is sold for ₹2550. What is the loss per cent?
  34. 34.A watch bought for ₹1400 is sold for ₹1120. What is the loss per cent?
  35. 35.What is the amount (principal + simple interest) on ₹8300 at 2% per year for 4 years (in ₹)?
  36. 36.What is the simple interest on ₹4800 at 8% per year for 3 years (in ₹)?
  37. 37.A shopkeeper buys a cricket kit for ₹1200 and sells it for ₹1380. What is the profit (in ₹)?
  38. 38.What is the amount (principal + simple interest) on ₹6400 at 12% per year for 5 years (in ₹)?
  39. 39.A fan costs ₹600. It is sold at a 20% profit. What is the selling price (in ₹)?
  40. 40.What is 60% of 80?

Answer key

  1. 3600
  2. 10
  3. 80
  4. 2470
  5. 150
  6. 210
  7. 80
  8. 30
  9. 2800
  10. 374
  11. 60
  12. 2610
  13. 114
  14. 720
  15. 3476
  16. 180
  17. 1520
  18. 1920
  19. 20
  20. 680
  21. 493
  22. 20
  23. 200
  24. 8208
  25. 3960
  26. 1900
  27. 1045
  28. 108
  29. 2016
  30. 45
  31. 4446
  32. 12
  33. 15
  34. 20
  35. 8964
  36. 1152
  37. 180
  38. 10240
  39. 720
  40. 48

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