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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 772 · 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.A shopkeeper buys a fan for ₹1400 and sells it for ₹1500. What is the profit (in ₹)?
  2. 2.What is 80% of 240?
  3. 3.What is 55% of 80?
  4. 4.What is the simple interest on ₹8400 at 3% per year for 4 years (in ₹)?
  5. 5.The price of a cricket ball changed from ₹250 to ₹125. What is the percentage decrease?
  6. 6.A sewing machine costs ₹200. It is sold at a 12% profit. What is the selling price (in ₹)?
  7. 7.A watch costs ₹3100. It is sold at a 50% loss. What is the selling price (in ₹)?
  8. 8.A shopkeeper buys a cycle for ₹1250 and sells it for ₹1000. What is the loss (in ₹)?
  9. 9.A table bought for ₹2000 is sold for ₹2500. What is the profit per cent?
  10. 10.A mobile phone bought for ₹2200 is sold for ₹1936. What is the loss per cent?
  11. 11.A mobile phone bought for ₹2200 is sold for ₹1650. What is the loss per cent?
  12. 12.What is 25% of 280?
  13. 13.What is the amount (principal + simple interest) on ₹600 at 10% per year for 2 years (in ₹)?
  14. 14.What is the amount (principal + simple interest) on ₹4700 at 8% per year for 4 years (in ₹)?
  15. 15.A table costs ₹3300. It is sold at a 30% loss. What is the selling price (in ₹)?
  16. 16.A cooler costs ₹2900. It is sold at a 50% profit. What is the selling price (in ₹)?
  17. 17.A shopkeeper buys a fan for ₹1000 and sells it for ₹910. What is the loss (in ₹)?
  18. 18.A fan bought for ₹400 is sold for ₹600. What is the profit per cent?
  19. 19.A shopkeeper buys a sewing machine for ₹2800 and sells it for ₹2670. What is the loss (in ₹)?
  20. 20.A cooler costs ₹4000. It is sold at a 30% profit. What is the selling price (in ₹)?
  21. 21.What is the amount (principal + simple interest) on ₹1800 at 9% per year for 1 year (in ₹)?
  22. 22.A cooler costs ₹800. It is sold at a 20% loss. What is the selling price (in ₹)?
  23. 23.A table bought for ₹600 is sold for ₹300. What is the loss per cent?
  24. 24.A shopkeeper buys a mobile phone for ₹850 and sells it for ₹660. What is the loss (in ₹)?
  25. 25.What is the amount (principal + simple interest) on ₹4000 at 9% per year for 1 year (in ₹)?
  26. 26.A mobile phone costs ₹3800. It is sold at a 25% profit. What is the selling price (in ₹)?
  27. 27.A shopkeeper buys a mobile phone for ₹1700 and sells it for ₹1940. What is the profit (in ₹)?
  28. 28.A cricket kit costs ₹900. It is sold at a 30% profit. What is the selling price (in ₹)?
  29. 29.A fan bought for ₹1000 is sold for ₹500. What is the loss per cent?
  30. 30.A shopkeeper buys a mobile phone for ₹1600 and sells it for ₹1490. What is the loss (in ₹)?
  31. 31.A cycle costs ₹2900. It is sold at a 5% profit. What is the selling price (in ₹)?
  32. 32.A fan costs ₹1100. It is sold at a 30% profit. What is the selling price (in ₹)?
  33. 33.A watch costs ₹2200. It is sold at a 50% profit. What is the selling price (in ₹)?
  34. 34.A shopkeeper buys a cycle for ₹900 and sells it for ₹1090. What is the profit (in ₹)?
  35. 35.The price of a school bag changed from ₹25 to ₹45. What is the percentage increase?
  36. 36.What is the simple interest on ₹4300 at 6% per year for 5 years (in ₹)?
  37. 37.What is the amount (principal + simple interest) on ₹4000 at 12% per year for 1 year (in ₹)?
  38. 38.A shopkeeper buys a cricket kit for ₹400 and sells it for ₹620. What is the profit (in ₹)?
  39. 39.What is 70% of 180?
  40. 40.A shopkeeper buys a cooler for ₹900 and sells it for ₹870. What is the loss (in ₹)?

Answer key

  1. 100
  2. 192
  3. 44
  4. 1008
  5. 50
  6. 224
  7. 1550
  8. 250
  9. 25
  10. 12
  11. 25
  12. 70
  13. 720
  14. 6204
  15. 2310
  16. 4350
  17. 90
  18. 50
  19. 130
  20. 5200
  21. 1962
  22. 640
  23. 50
  24. 190
  25. 4360
  26. 4750
  27. 240
  28. 1170
  29. 50
  30. 110
  31. 3045
  32. 1430
  33. 3300
  34. 190
  35. 80
  36. 1290
  37. 4480
  38. 220
  39. 126
  40. 30

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