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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 2 · 40 sums
TalentJR

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 sewing machine costs ₹3900. It is sold at a 12% profit. What is the selling price (in ₹)?
  2. 2.What is the simple interest on ₹3600 at 9% per year for 4 years (in ₹)?
  3. 3.The price of a cricket ball changed from ₹40 to ₹56. What is the percentage increase?
  4. 4.A mobile phone costs ₹700. It is sold at a 50% profit. What is the selling price (in ₹)?
  5. 5.What is the simple interest on ₹4900 at 3% per year for 5 years (in ₹)?
  6. 6.What is the simple interest on ₹7500 at 7% per year for 1 year (in ₹)?
  7. 7.What is the amount (principal + simple interest) on ₹6000 at 11% per year for 2 years (in ₹)?
  8. 8.A fan bought for ₹1000 is sold for ₹1400. What is the profit per cent?
  9. 9.What is the simple interest on ₹3300 at 2% per year for 2 years (in ₹)?
  10. 10.A shopkeeper buys a table for ₹1550 and sells it for ₹1300. What is the loss (in ₹)?
  11. 11.What is the simple interest on ₹4000 at 12% per year for 3 years (in ₹)?
  12. 12.What is the simple interest on ₹5100 at 3% per year for 5 years (in ₹)?
  13. 13.The price of a cricket ball changed from ₹25 to ₹45. What is the percentage increase?
  14. 14.What is 30% of 80?
  15. 15.What is the simple interest on ₹1100 at 6% per year for 5 years (in ₹)?
  16. 16.What is the simple interest on ₹3700 at 9% per year for 3 years (in ₹)?
  17. 17.What is the simple interest on ₹7200 at 12% per year for 3 years (in ₹)?
  18. 18.What is 35% of 540?
  19. 19.What is 25% of 800?
  20. 20.A cooler bought for ₹2400 is sold for ₹3000. What is the profit per cent?
  21. 21.What is the amount (principal + simple interest) on ₹2900 at 6% per year for 3 years (in ₹)?
  22. 22.A sewing machine bought for ₹2800 is sold for ₹2380. What is the loss per cent?
  23. 23.A table bought for ₹1700 is sold for ₹2040. What is the profit per cent?
  24. 24.What is 35% of 120?
  25. 25.What is 40% of 960?
  26. 26.A shopkeeper buys a cricket kit for ₹1300 and sells it for ₹1040. What is the loss (in ₹)?
  27. 27.What is the amount (principal + simple interest) on ₹3900 at 6% per year for 4 years (in ₹)?
  28. 28.A watch costs ₹3000. It is sold at a 10% loss. What is the selling price (in ₹)?
  29. 29.What is 25% of 820?
  30. 30.The price of a school bag changed from ₹100 to ₹102. What is the percentage increase?
  31. 31.What is 10% of 780?
  32. 32.What is 85% of 260?
  33. 33.What is the simple interest on ₹4100 at 3% per year for 4 years (in ₹)?
  34. 34.What is 20% of 780?
  35. 35.A shopkeeper buys a cooler for ₹2700 and sells it for ₹2930. What is the profit (in ₹)?
  36. 36.A mobile phone bought for ₹600 is sold for ₹660. What is the profit per cent?
  37. 37.What is 45% of 660?
  38. 38.The price of a water bottle changed from ₹50 to ₹45. What is the percentage decrease?
  39. 39.The price of a pair of shoes changed from ₹100 to ₹180. What is the percentage increase?
  40. 40.A fan bought for ₹2300 is sold for ₹2875. What is the profit per cent?

Answer key

  1. 4368
  2. 1296
  3. 40
  4. 1050
  5. 735
  6. 525
  7. 7320
  8. 40
  9. 132
  10. 250
  11. 1440
  12. 765
  13. 80
  14. 24
  15. 330
  16. 999
  17. 2592
  18. 189
  19. 200
  20. 25
  21. 3422
  22. 15
  23. 20
  24. 42
  25. 384
  26. 260
  27. 4836
  28. 2700
  29. 205
  30. 2
  31. 78
  32. 221
  33. 492
  34. 156
  35. 230
  36. 10
  37. 297
  38. 10
  39. 80
  40. 25

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