Class 7 Maths Worksheet: Profit and Loss, Simple Interest

Maths worksheets lesson 54: Comparing quantities: percentage, profit and loss, simple interest · Set 506 · 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 fan for ₹350 and sells it for ₹390. What is the profit (in ₹)?
2. 2.What is the simple interest on ₹5400 at 9% per year for 3 years (in ₹)?
3. 3.A sewing machine costs ₹800. It is sold at a 25% profit. What is the selling price (in ₹)?
4. 4.What is the simple interest on ₹7500 at 10% per year for 1 year (in ₹)?
5. 5.What is the simple interest on ₹8100 at 9% per year for 2 years (in ₹)?
6. 6.The price of a school bag changed from ₹500 to ₹525. What is the percentage increase?
7. 7.A shopkeeper buys a cooler for ₹2250 and sells it for ₹2450. What is the profit (in ₹)?
8. 8.What is the amount (principal + simple interest) on ₹8200 at 4% per year for 1 year (in ₹)?
9. 9.What is the simple interest on ₹800 at 10% per year for 1 year (in ₹)?
10. 10.What is the amount (principal + simple interest) on ₹5300 at 9% per year for 2 years (in ₹)?
11. 11.A shopkeeper buys a mobile phone for ₹1400 and sells it for ₹1240. What is the loss (in ₹)?
12. 12.A mobile phone costs ₹300. It is sold at a 15% loss. What is the selling price (in ₹)?
13. 13.What is 10% of 160?
14. 14.What is the amount (principal + simple interest) on ₹700 at 2% per year for 2 years (in ₹)?
15. 15.What is 75% of 940?
16. 16.What is the simple interest on ₹3500 at 7% per year for 1 year (in ₹)?
17. 17.The price of a cricket ball changed from ₹25 to ₹20. What is the percentage decrease?
18. 18.What is the amount (principal + simple interest) on ₹600 at 5% per year for 2 years (in ₹)?
19. 19.What is the amount (principal + simple interest) on ₹2700 at 5% per year for 2 years (in ₹)?
20. 20.What is 65% of 40?
21. 21.A sewing machine costs ₹3100. It is sold at a 12% loss. What is the selling price (in ₹)?
22. 22.A fan bought for ₹1700 is sold for ₹2125. What is the profit per cent?
23. 23.The price of a pair of shoes changed from ₹400 to ₹392. What is the percentage decrease?
24. 24.A fan bought for ₹3300 is sold for ₹4290. What is the profit per cent?
25. 25.The price of a school bag changed from ₹40 to ₹42. What is the percentage increase?
26. 26.A cricket kit bought for ₹1400 is sold for ₹1050. What is the loss per cent?
27. 27.What is 5% of 200?
28. 28.A cycle costs ₹4000. It is sold at a 12% profit. What is the selling price (in ₹)?
29. 29.The price of a school bag changed from ₹20 to ₹19. What is the percentage decrease?
30. 30.A sewing machine bought for ₹3400 is sold for ₹2890. What is the loss per cent?
31. 31.What is the simple interest on ₹7800 at 7% per year for 5 years (in ₹)?
32. 32.A cycle bought for ₹2500 is sold for ₹2200. What is the loss per cent?
33. 33.The price of a bus pass changed from ₹250 to ₹175. What is the percentage decrease?
34. 34.What is the simple interest on ₹8800 at 4% per year for 1 year (in ₹)?
35. 35.What is the amount (principal + simple interest) on ₹8400 at 7% per year for 3 years (in ₹)?
36. 36.What is the amount (principal + simple interest) on ₹7000 at 4% per year for 2 years (in ₹)?
37. 37.What is the simple interest on ₹4700 at 7% per year for 5 years (in ₹)?
38. 38.What is the simple interest on ₹4600 at 8% per year for 1 year (in ₹)?
39. 39.What is 55% of 720?
40. 40.A watch costs ₹3800. It is sold at a 5% loss. What is the selling price (in ₹)?

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