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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 332 · 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 cricket kit bought for ₹1300 is sold for ₹1495. What is the profit per cent?
  2. 2.What is the amount (principal + simple interest) on ₹2700 at 2% per year for 5 years (in ₹)?
  3. 3.What is the simple interest on ₹9600 at 12% per year for 5 years (in ₹)?
  4. 4.A shopkeeper buys a cricket kit for ₹1350 and sells it for ₹1420. What is the profit (in ₹)?
  5. 5.What is 60% of 620?
  6. 6.A shopkeeper buys a table for ₹550 and sells it for ₹620. What is the profit (in ₹)?
  7. 7.A shopkeeper buys a cycle for ₹850 and sells it for ₹990. What is the profit (in ₹)?
  8. 8.What is 35% of 520?
  9. 9.A shopkeeper buys a watch for ₹2650 and sells it for ₹2850. What is the profit (in ₹)?
  10. 10.A shopkeeper buys a mobile phone for ₹2600 and sells it for ₹2650. What is the profit (in ₹)?
  11. 11.A cricket kit costs ₹1700. It is sold at a 40% loss. What is the selling price (in ₹)?
  12. 12.A cricket kit costs ₹3400. It is sold at a 40% profit. What is the selling price (in ₹)?
  13. 13.A watch bought for ₹3800 is sold for ₹2850. What is the loss per cent?
  14. 14.What is the simple interest on ₹2200 at 4% per year for 3 years (in ₹)?
  15. 15.What is 5% of 500?
  16. 16.The price of a bus pass changed from ₹200 to ₹320. What is the percentage increase?
  17. 17.A shopkeeper buys a fan for ₹2450 and sells it for ₹2300. What is the loss (in ₹)?
  18. 18.A shopkeeper buys a cooler for ₹3000 and sells it for ₹3120. What is the profit (in ₹)?
  19. 19.A shopkeeper buys a cycle for ₹1350 and sells it for ₹1250. What is the loss (in ₹)?
  20. 20.What is the simple interest on ₹1800 at 8% per year for 1 year (in ₹)?
  21. 21.What is the amount (principal + simple interest) on ₹9000 at 11% per year for 3 years (in ₹)?
  22. 22.A cycle costs ₹300. It is sold at a 10% loss. What is the selling price (in ₹)?
  23. 23.A fan bought for ₹500 is sold for ₹425. What is the loss per cent?
  24. 24.What is the simple interest on ₹7700 at 8% per year for 3 years (in ₹)?
  25. 25.What is the simple interest on ₹800 at 3% per year for 2 years (in ₹)?
  26. 26.A watch bought for ₹500 is sold for ₹440. What is the loss per cent?
  27. 27.A shopkeeper buys a watch for ₹550 and sells it for ₹520. What is the loss (in ₹)?
  28. 28.A shopkeeper buys a sewing machine for ₹2650 and sells it for ₹2810. What is the profit (in ₹)?
  29. 29.A shopkeeper buys a cooler for ₹2850 and sells it for ₹2590. What is the loss (in ₹)?
  30. 30.A shopkeeper buys a fan for ₹450 and sells it for ₹340. What is the loss (in ₹)?
  31. 31.What is 75% of 760?
  32. 32.The price of a cricket ball changed from ₹20 to ₹14. What is the percentage decrease?
  33. 33.The price of a school bag changed from ₹400 to ₹392. What is the percentage decrease?
  34. 34.The price of a school bag changed from ₹50 to ₹65. What is the percentage increase?
  35. 35.A shopkeeper buys a cricket kit for ₹250 and sells it for ₹240. What is the loss (in ₹)?
  36. 36.What is the amount (principal + simple interest) on ₹8500 at 10% per year for 5 years (in ₹)?
  37. 37.What is 25% of 920?
  38. 38.What is the simple interest on ₹9700 at 3% per year for 5 years (in ₹)?
  39. 39.A shopkeeper buys a cycle for ₹1850 and sells it for ₹1770. What is the loss (in ₹)?
  40. 40.What is the simple interest on ₹6000 at 11% per year for 1 year (in ₹)?

Answer key

  1. 15
  2. 2970
  3. 5760
  4. 70
  5. 372
  6. 70
  7. 140
  8. 182
  9. 200
  10. 50
  11. 1020
  12. 4760
  13. 25
  14. 264
  15. 25
  16. 60
  17. 150
  18. 120
  19. 100
  20. 144
  21. 11970
  22. 270
  23. 15
  24. 1848
  25. 48
  26. 12
  27. 30
  28. 160
  29. 260
  30. 110
  31. 570
  32. 30
  33. 2
  34. 30
  35. 10
  36. 12750
  37. 230
  38. 1455
  39. 80
  40. 660

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