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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 595 · 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.

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  1. 1.What is the amount (principal + simple interest) on ₹5800 at 4% per year for 1 year (in ₹)?
  2. 2.A shopkeeper buys a cycle for ₹1000 and sells it for ₹1190. What is the profit (in ₹)?
  3. 3.The price of a bus pass changed from ₹20 to ₹14. What is the percentage decrease?
  4. 4.What is 85% of 260?
  5. 5.A fan bought for ₹400 is sold for ₹300. What is the loss per cent?
  6. 6.A watch costs ₹3200. It is sold at a 10% profit. What is the selling price (in ₹)?
  7. 7.A fan costs ₹2400. It is sold at a 25% profit. What is the selling price (in ₹)?
  8. 8.A table costs ₹2400. It is sold at a 30% loss. What is the selling price (in ₹)?
  9. 9.The price of a pair of shoes changed from ₹20 to ₹30. What is the percentage increase?
  10. 10.The price of a bus pass changed from ₹50 to ₹45. What is the percentage decrease?
  11. 11.A cooler bought for ₹3400 is sold for ₹4080. What is the profit per cent?
  12. 12.The price of a school bag changed from ₹20 to ₹2. What is the percentage decrease?
  13. 13.A fan costs ₹1700. It is sold at a 10% loss. What is the selling price (in ₹)?
  14. 14.What is 75% of 440?
  15. 15.What is 55% of 60?
  16. 16.What is 10% of 240?
  17. 17.A shopkeeper buys a mobile phone for ₹1150 and sells it for ₹1200. What is the profit (in ₹)?
  18. 18.What is 95% of 300?
  19. 19.What is 10% of 140?
  20. 20.What is 95% of 180?
  21. 21.A shopkeeper buys a cooler for ₹1000 and sells it for ₹1250. What is the profit (in ₹)?
  22. 22.What is the amount (principal + simple interest) on ₹9100 at 12% per year for 3 years (in ₹)?
  23. 23.The price of a water bottle changed from ₹80 to ₹40. What is the percentage decrease?
  24. 24.A cycle bought for ₹2900 is sold for ₹3480. What is the profit per cent?
  25. 25.What is the amount (principal + simple interest) on ₹3300 at 2% per year for 2 years (in ₹)?
  26. 26.The price of a bus pass changed from ₹50 to ₹60. What is the percentage increase?
  27. 27.What is the simple interest on ₹1800 at 7% per year for 1 year (in ₹)?
  28. 28.What is 40% of 480?
  29. 29.What is 70% of 800?
  30. 30.What is 5% of 380?
  31. 31.What is 40% of 660?
  32. 32.What is the simple interest on ₹3500 at 9% per year for 3 years (in ₹)?
  33. 33.A shopkeeper buys a cricket kit for ₹700 and sells it for ₹720. What is the profit (in ₹)?
  34. 34.What is 10% of 660?
  35. 35.A cricket kit costs ₹500. It is sold at a 50% loss. What is the selling price (in ₹)?
  36. 36.A mobile phone costs ₹1000. It is sold at a 5% profit. What is the selling price (in ₹)?
  37. 37.A shopkeeper buys a cycle for ₹2650 and sells it for ₹2360. What is the loss (in ₹)?
  38. 38.What is 60% of 960?
  39. 39.A table bought for ₹1000 is sold for ₹850. What is the loss per cent?
  40. 40.A mobile phone costs ₹2500. It is sold at a 20% profit. What is the selling price (in ₹)?

Answer key

  1. 6032
  2. 190
  3. 30
  4. 221
  5. 25
  6. 3520
  7. 3000
  8. 1680
  9. 50
  10. 10
  11. 20
  12. 90
  13. 1530
  14. 330
  15. 33
  16. 24
  17. 50
  18. 285
  19. 14
  20. 171
  21. 250
  22. 12376
  23. 50
  24. 20
  25. 3432
  26. 20
  27. 126
  28. 192
  29. 560
  30. 19
  31. 264
  32. 945
  33. 20
  34. 66
  35. 250
  36. 1050
  37. 290
  38. 576
  39. 15
  40. 3000

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