Class 7 Maths Worksheet: Profit and Loss, Simple Interest

Maths worksheets lesson 54: Comparing quantities: percentage, profit and loss, simple interest · Set 458 · 40 sums

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.

1. 1.A shopkeeper buys a watch for ₹1150 and sells it for ₹1390. What is the profit (in ₹)?
2. 2.What is 65% of 800?
3. 3.The price of a box of mangoes changed from ₹50 to ₹5. What is the percentage decrease?
4. 4.The price of a water bottle changed from ₹100 to ₹60. What is the percentage decrease?
5. 5.What is the amount (principal + simple interest) on ₹4700 at 11% per year for 2 years (in ₹)?
6. 6.The price of a cricket ball changed from ₹25 to ₹35. What is the percentage increase?
7. 7.What is the simple interest on ₹9500 at 2% per year for 4 years (in ₹)?
8. 8.A watch costs ₹4000. It is sold at a 20% loss. What is the selling price (in ₹)?
9. 9.A cycle bought for ₹800 is sold for ₹1120. What is the profit per cent?
10. 10.A shopkeeper buys a mobile phone for ₹350 and sells it for ₹130. What is the loss (in ₹)?
11. 11.A cycle costs ₹1600. It is sold at a 12% profit. What is the selling price (in ₹)?
12. 12.A cycle costs ₹600. It is sold at a 50% loss. What is the selling price (in ₹)?
13. 13.A sewing machine bought for ₹2600 is sold for ₹2340. What is the loss per cent?
14. 14.A cycle bought for ₹2300 is sold for ₹2645. What is the profit per cent?
15. 15.A watch costs ₹400. It is sold at a 12% loss. What is the selling price (in ₹)?
16. 16.A mobile phone bought for ₹2500 is sold for ₹3750. What is the profit per cent?
17. 17.What is the simple interest on ₹7500 at 10% per year for 1 year (in ₹)?
18. 18.The price of a school bag changed from ₹20 to ₹12. What is the percentage decrease?
19. 19.The price of a bus pass changed from ₹500 to ₹505. What is the percentage increase?
20. 20.A cricket kit costs ₹1500. It is sold at a 10% profit. What is the selling price (in ₹)?
21. 21.A fan costs ₹2100. It is sold at a 25% loss. What is the selling price (in ₹)?
22. 22.A table costs ₹1800. It is sold at a 50% loss. What is the selling price (in ₹)?
23. 23.A mobile phone costs ₹1900. It is sold at a 10% loss. What is the selling price (in ₹)?
24. 24.What is the amount (principal + simple interest) on ₹2400 at 4% per year for 2 years (in ₹)?
25. 25.A fan costs ₹1100. It is sold at a 40% profit. What is the selling price (in ₹)?
26. 26.The price of a box of mangoes changed from ₹80 to ₹20. What is the percentage decrease?
27. 27.The price of a cricket ball changed from ₹400 to ₹480. What is the percentage increase?
28. 28.The price of a water bottle changed from ₹50 to ₹65. What is the percentage increase?
29. 29.The price of a cricket ball changed from ₹400 to ₹404. What is the percentage increase?
30. 30.A sewing machine bought for ₹700 is sold for ₹805. What is the profit per cent?
31. 31.A shopkeeper buys a cycle for ₹2950 and sells it for ₹3090. What is the profit (in ₹)?
32. 32.A shopkeeper buys a table for ₹400 and sells it for ₹140. What is the loss (in ₹)?
33. 33.What is 60% of 720?
34. 34.A mobile phone bought for ₹1800 is sold for ₹2160. What is the profit per cent?
35. 35.A fan bought for ₹200 is sold for ₹140. What is the loss per cent?
36. 36.The price of a school bag changed from ₹400 to ₹720. What is the percentage increase?
37. 37.What is 80% of 400?
38. 38.What is 55% of 80?
39. 39.A watch costs ₹2400. It is sold at a 50% loss. What is the selling price (in ₹)?
40. 40.A mobile phone bought for ₹1200 is sold for ₹1260. What is the profit per cent?

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