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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 733 · 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 shopkeeper buys a cycle for ₹200 and sells it for ₹80. What is the loss (in ₹)?
  2. 2.What is the simple interest on ₹2100 at 11% per year for 4 years (in ₹)?
  3. 3.What is 45% of 240?
  4. 4.What is 30% of 740?
  5. 5.A shopkeeper buys a mobile phone for ₹250 and sells it for ₹210. What is the loss (in ₹)?
  6. 6.The price of a box of mangoes changed from ₹250 to ₹200. What is the percentage decrease?
  7. 7.What is 60% of 460?
  8. 8.A shopkeeper buys a cricket kit for ₹1250 and sells it for ₹1270. What is the profit (in ₹)?
  9. 9.What is the amount (principal + simple interest) on ₹7000 at 9% per year for 3 years (in ₹)?
  10. 10.The price of a water bottle changed from ₹25 to ₹10. What is the percentage decrease?
  11. 11.A fan bought for ₹3100 is sold for ₹3720. What is the profit per cent?
  12. 12.A shopkeeper buys a table for ₹2050 and sells it for ₹1860. What is the loss (in ₹)?
  13. 13.A cycle costs ₹500. It is sold at a 10% profit. What is the selling price (in ₹)?
  14. 14.The price of a school bag changed from ₹400 to ₹408. What is the percentage increase?
  15. 15.What is the amount (principal + simple interest) on ₹3000 at 6% per year for 3 years (in ₹)?
  16. 16.What is the amount (principal + simple interest) on ₹3500 at 3% per year for 1 year (in ₹)?
  17. 17.What is the amount (principal + simple interest) on ₹900 at 11% per year for 1 year (in ₹)?
  18. 18.What is the amount (principal + simple interest) on ₹7100 at 10% per year for 3 years (in ₹)?
  19. 19.What is the simple interest on ₹1900 at 8% per year for 1 year (in ₹)?
  20. 20.A cycle costs ₹2500. It is sold at a 12% profit. What is the selling price (in ₹)?
  21. 21.A sewing machine costs ₹1000. It is sold at a 40% profit. What is the selling price (in ₹)?
  22. 22.What is the simple interest on ₹8100 at 7% per year for 4 years (in ₹)?
  23. 23.The price of a bus pass changed from ₹50 to ₹49. What is the percentage decrease?
  24. 24.A table costs ₹300. It is sold at a 5% profit. What is the selling price (in ₹)?
  25. 25.What is the amount (principal + simple interest) on ₹8200 at 9% per year for 1 year (in ₹)?
  26. 26.What is 5% of 340?
  27. 27.A shopkeeper buys a cooler for ₹2800 and sells it for ₹2840. What is the profit (in ₹)?
  28. 28.A shopkeeper buys a cycle for ₹950 and sells it for ₹1210. What is the profit (in ₹)?
  29. 29.What is the amount (principal + simple interest) on ₹4200 at 11% per year for 3 years (in ₹)?
  30. 30.A shopkeeper buys a fan for ₹400 and sells it for ₹610. What is the profit (in ₹)?
  31. 31.A cooler costs ₹700. It is sold at a 15% profit. What is the selling price (in ₹)?
  32. 32.The price of a school bag changed from ₹400 to ₹392. What is the percentage decrease?
  33. 33.A shopkeeper buys a table for ₹750 and sells it for ₹930. What is the profit (in ₹)?
  34. 34.A cricket kit costs ₹1600. It is sold at a 5% profit. What is the selling price (in ₹)?
  35. 35.What is the simple interest on ₹3500 at 5% per year for 1 year (in ₹)?
  36. 36.A cooler costs ₹700. It is sold at a 5% loss. What is the selling price (in ₹)?
  37. 37.A shopkeeper buys a cycle for ₹650 and sells it for ₹630. What is the loss (in ₹)?
  38. 38.A shopkeeper buys a table for ₹2450 and sells it for ₹2430. What is the loss (in ₹)?
  39. 39.What is 30% of 360?
  40. 40.The price of a pair of shoes changed from ₹80 to ₹140. What is the percentage increase?

Answer key

  1. 120
  2. 924
  3. 108
  4. 222
  5. 40
  6. 20
  7. 276
  8. 20
  9. 8890
  10. 60
  11. 20
  12. 190
  13. 550
  14. 2
  15. 3540
  16. 3605
  17. 999
  18. 9230
  19. 152
  20. 2800
  21. 1400
  22. 2268
  23. 2
  24. 315
  25. 8938
  26. 17
  27. 40
  28. 260
  29. 5586
  30. 210
  31. 805
  32. 2
  33. 180
  34. 1680
  35. 175
  36. 665
  37. 20
  38. 20
  39. 108
  40. 75

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