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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 73 · 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 watch for ₹2000 and sells it for ₹2100. What is the profit (in ₹)?
  2. 2.What is the simple interest on ₹1800 at 2% per year for 2 years (in ₹)?
  3. 3.What is 25% of 60?
  4. 4.A fan bought for ₹300 is sold for ₹264. What is the loss per cent?
  5. 5.What is the amount (principal + simple interest) on ₹5100 at 6% per year for 3 years (in ₹)?
  6. 6.A cooler costs ₹2100. It is sold at a 5% loss. What is the selling price (in ₹)?
  7. 7.The price of a water bottle changed from ₹400 to ₹40. What is the percentage decrease?
  8. 8.A shopkeeper buys a cooler for ₹900 and sells it for ₹780. What is the loss (in ₹)?
  9. 9.What is 60% of 300?
  10. 10.A sewing machine costs ₹1500. It is sold at a 30% profit. What is the selling price (in ₹)?
  11. 11.A mobile phone costs ₹1400. It is sold at a 10% profit. What is the selling price (in ₹)?
  12. 12.A shopkeeper buys a cooler for ₹750 and sells it for ₹610. What is the loss (in ₹)?
  13. 13.A sewing machine bought for ₹2000 is sold for ₹1700. What is the loss per cent?
  14. 14.A sewing machine bought for ₹1600 is sold for ₹1360. What is the loss per cent?
  15. 15.What is the simple interest on ₹5900 at 7% per year for 4 years (in ₹)?
  16. 16.What is the amount (principal + simple interest) on ₹5900 at 11% per year for 1 year (in ₹)?
  17. 17.What is 75% of 200?
  18. 18.What is the amount (principal + simple interest) on ₹9800 at 6% per year for 5 years (in ₹)?
  19. 19.A cycle bought for ₹900 is sold for ₹675. What is the loss per cent?
  20. 20.A table bought for ₹1400 is sold for ₹840. What is the loss per cent?
  21. 21.The price of a bus pass changed from ₹200 to ₹204. What is the percentage increase?
  22. 22.What is 35% of 140?
  23. 23.A table bought for ₹2700 is sold for ₹2295. What is the loss per cent?
  24. 24.What is 20% of 60?
  25. 25.What is the amount (principal + simple interest) on ₹700 at 10% per year for 3 years (in ₹)?
  26. 26.The price of a bus pass changed from ₹40 to ₹44. What is the percentage increase?
  27. 27.What is 90% of 220?
  28. 28.What is the simple interest on ₹7300 at 4% per year for 3 years (in ₹)?
  29. 29.A mobile phone costs ₹600. It is sold at a 20% profit. What is the selling price (in ₹)?
  30. 30.What is the amount (principal + simple interest) on ₹3200 at 3% per year for 5 years (in ₹)?
  31. 31.A shopkeeper buys a cricket kit for ₹2200 and sells it for ₹1930. What is the loss (in ₹)?
  32. 32.The price of a pair of shoes changed from ₹25 to ₹30. What is the percentage increase?
  33. 33.What is 35% of 940?
  34. 34.What is the amount (principal + simple interest) on ₹9500 at 9% per year for 5 years (in ₹)?
  35. 35.A cycle bought for ₹3400 is sold for ₹2720. What is the loss per cent?
  36. 36.What is the amount (principal + simple interest) on ₹5600 at 7% per year for 2 years (in ₹)?
  37. 37.What is the simple interest on ₹8700 at 8% per year for 5 years (in ₹)?
  38. 38.What is the simple interest on ₹5800 at 12% per year for 5 years (in ₹)?
  39. 39.What is 95% of 620?
  40. 40.What is 60% of 260?

Answer key

  1. 100
  2. 72
  3. 15
  4. 12
  5. 6018
  6. 1995
  7. 90
  8. 120
  9. 180
  10. 1950
  11. 1540
  12. 140
  13. 15
  14. 15
  15. 1652
  16. 6549
  17. 150
  18. 12740
  19. 25
  20. 40
  21. 2
  22. 49
  23. 15
  24. 12
  25. 910
  26. 10
  27. 198
  28. 876
  29. 720
  30. 3680
  31. 270
  32. 20
  33. 329
  34. 13775
  35. 20
  36. 6384
  37. 3480
  38. 3480
  39. 589
  40. 156

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