Class 7 Maths Worksheet: Profit and Loss, Simple Interest

Maths worksheets lesson 54: Comparing quantities: percentage, profit and loss, simple interest · Set 677 · 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 mobile phone bought for ₹3600 is sold for ₹3420. What is the loss per cent?
2. 2.What is the amount (principal + simple interest) on ₹4500 at 6% per year for 1 year (in ₹)?
3. 3.A sewing machine costs ₹2000. It is sold at a 25% profit. What is the selling price (in ₹)?
4. 4.The price of a pair of shoes changed from ₹20 to ₹30. What is the percentage increase?
5. 5.A shopkeeper buys a watch for ₹2450 and sells it for ₹2710. What is the profit (in ₹)?
6. 6.A shopkeeper buys a cricket kit for ₹950 and sells it for ₹1070. What is the profit (in ₹)?
7. 7.A cooler bought for ₹1400 is sold for ₹1232. What is the loss per cent?
8. 8.A mobile phone costs ₹2400. It is sold at a 20% profit. What is the selling price (in ₹)?
9. 9.What is the simple interest on ₹7100 at 5% per year for 4 years (in ₹)?
10. 10.A watch bought for ₹800 is sold for ₹1200. What is the profit per cent?
11. 11.What is the amount (principal + simple interest) on ₹1100 at 5% per year for 2 years (in ₹)?
12. 12.A cricket kit costs ₹500. It is sold at a 25% profit. What is the selling price (in ₹)?
13. 13.What is 90% of 320?
14. 14.A shopkeeper buys a fan for ₹350 and sells it for ₹400. What is the profit (in ₹)?
15. 15.What is 35% of 380?
16. 16.What is the amount (principal + simple interest) on ₹9400 at 8% per year for 2 years (in ₹)?
17. 17.A table bought for ₹600 is sold for ₹570. What is the loss per cent?
18. 18.A shopkeeper buys a cricket kit for ₹2950 and sells it for ₹3070. What is the profit (in ₹)?
19. 19.The price of a cricket ball changed from ₹50 to ₹45. What is the percentage decrease?
20. 20.A shopkeeper buys a fan for ₹200 and sells it for ₹370. What is the profit (in ₹)?
21. 21.A cycle bought for ₹300 is sold for ₹375. What is the profit per cent?
22. 22.What is the amount (principal + simple interest) on ₹6000 at 6% per year for 3 years (in ₹)?
23. 23.What is the amount (principal + simple interest) on ₹1200 at 11% per year for 2 years (in ₹)?
24. 24.What is 40% of 920?
25. 25.A fan bought for ₹1200 is sold for ₹1080. What is the loss per cent?
26. 26.A mobile phone costs ₹700. It is sold at a 15% profit. What is the selling price (in ₹)?
27. 27.What is the simple interest on ₹500 at 8% per year for 1 year (in ₹)?
28. 28.What is the simple interest on ₹1100 at 11% per year for 1 year (in ₹)?
29. 29.The price of a pair of shoes changed from ₹400 to ₹420. What is the percentage increase?
30. 30.A shopkeeper buys a sewing machine for ₹2600 and sells it for ₹2400. What is the loss (in ₹)?
31. 31.A watch bought for ₹800 is sold for ₹896. What is the profit per cent?
32. 32.A cycle bought for ₹2600 is sold for ₹2860. What is the profit per cent?
33. 33.The price of a pair of shoes changed from ₹40 to ₹16. What is the percentage decrease?
34. 34.What is 75% of 500?
35. 35.What is the amount (principal + simple interest) on ₹1400 at 12% per year for 3 years (in ₹)?
36. 36.What is the simple interest on ₹1900 at 2% per year for 3 years (in ₹)?
37. 37.A shopkeeper buys a fan for ₹1050 and sells it for ₹1250. What is the profit (in ₹)?
38. 38.A shopkeeper buys a sewing machine for ₹2000 and sells it for ₹1720. What is the loss (in ₹)?
39. 39.A sewing machine costs ₹1100. It is sold at a 5% profit. What is the selling price (in ₹)?
40. 40.What is the simple interest on ₹8200 at 7% per year for 1 year (in ₹)?

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