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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 747 · 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 fan for ₹2450 and sells it for ₹2710. What is the profit (in ₹)?
  2. 2.A watch bought for ₹2200 is sold for ₹1980. What is the loss per cent?
  3. 3.A cricket kit costs ₹3400. It is sold at a 25% loss. What is the selling price (in ₹)?
  4. 4.What is the amount (principal + simple interest) on ₹800 at 8% per year for 1 year (in ₹)?
  5. 5.A mobile phone costs ₹300. It is sold at a 5% profit. What is the selling price (in ₹)?
  6. 6.What is the amount (principal + simple interest) on ₹3500 at 9% per year for 1 year (in ₹)?
  7. 7.A shopkeeper buys a sewing machine for ₹2300 and sells it for ₹2310. What is the profit (in ₹)?
  8. 8.A shopkeeper buys a fan for ₹300 and sells it for ₹450. What is the profit (in ₹)?
  9. 9.The price of a box of mangoes changed from ₹80 to ₹76. What is the percentage decrease?
  10. 10.A cricket kit costs ₹1900. It is sold at a 50% profit. What is the selling price (in ₹)?
  11. 11.A shopkeeper buys a cycle for ₹2600 and sells it for ₹2560. What is the loss (in ₹)?
  12. 12.What is the simple interest on ₹9200 at 10% per year for 2 years (in ₹)?
  13. 13.A cooler costs ₹900. It is sold at a 12% profit. What is the selling price (in ₹)?
  14. 14.What is 30% of 260?
  15. 15.What is the amount (principal + simple interest) on ₹6700 at 11% per year for 5 years (in ₹)?
  16. 16.What is the amount (principal + simple interest) on ₹7100 at 8% per year for 2 years (in ₹)?
  17. 17.What is the amount (principal + simple interest) on ₹8300 at 7% per year for 5 years (in ₹)?
  18. 18.What is the simple interest on ₹5900 at 7% per year for 3 years (in ₹)?
  19. 19.A cooler costs ₹3500. It is sold at a 40% loss. What is the selling price (in ₹)?
  20. 20.A fan costs ₹2600. It is sold at a 30% profit. What is the selling price (in ₹)?
  21. 21.What is the simple interest on ₹9500 at 10% per year for 5 years (in ₹)?
  22. 22.What is the simple interest on ₹1400 at 3% per year for 1 year (in ₹)?
  23. 23.What is the simple interest on ₹3600 at 12% per year for 1 year (in ₹)?
  24. 24.The price of a pair of shoes changed from ₹500 to ₹505. What is the percentage increase?
  25. 25.A shopkeeper buys a cycle for ₹2200 and sells it for ₹2170. What is the loss (in ₹)?
  26. 26.The price of a pair of shoes changed from ₹250 to ₹255. What is the percentage increase?
  27. 27.A shopkeeper buys a cricket kit for ₹2350 and sells it for ₹2640. What is the profit (in ₹)?
  28. 28.What is 20% of 300?
  29. 29.A shopkeeper buys a cricket kit for ₹650 and sells it for ₹510. What is the loss (in ₹)?
  30. 30.What is 15% of 700?
  31. 31.What is the amount (principal + simple interest) on ₹700 at 6% per year for 2 years (in ₹)?
  32. 32.What is 25% of 980?
  33. 33.What is 70% of 40?
  34. 34.What is the amount (principal + simple interest) on ₹5700 at 8% per year for 1 year (in ₹)?
  35. 35.The price of a bus pass changed from ₹25 to ₹5. What is the percentage decrease?
  36. 36.A sewing machine bought for ₹2100 is sold for ₹1890. What is the loss per cent?
  37. 37.A table costs ₹2900. It is sold at a 40% profit. What is the selling price (in ₹)?
  38. 38.A fan bought for ₹800 is sold for ₹560. What is the loss per cent?
  39. 39.The price of a cricket ball changed from ₹250 to ₹150. What is the percentage decrease?
  40. 40.A watch costs ₹300. It is sold at a 25% loss. What is the selling price (in ₹)?

Answer key

  1. 260
  2. 10
  3. 2550
  4. 864
  5. 315
  6. 3815
  7. 10
  8. 150
  9. 5
  10. 2850
  11. 40
  12. 1840
  13. 1008
  14. 78
  15. 10385
  16. 8236
  17. 11205
  18. 1239
  19. 2100
  20. 3380
  21. 4750
  22. 42
  23. 432
  24. 1
  25. 30
  26. 2
  27. 290
  28. 60
  29. 140
  30. 105
  31. 784
  32. 245
  33. 28
  34. 6156
  35. 80
  36. 10
  37. 4060
  38. 30
  39. 40
  40. 225

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