Class 7 Maths Worksheet: Profit and Loss, Simple Interest

Maths worksheets lesson 54: Comparing quantities: percentage, profit and loss, simple interest · Set 485 · 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.What is the simple interest on ₹7100 at 6% per year for 1 year (in ₹)?
2. 2.The price of a school bag changed from ₹25 to ₹35. What is the percentage increase?
3. 3.The price of a school bag changed from ₹250 to ₹100. What is the percentage decrease?
4. 4.The price of a box of mangoes changed from ₹20 to ₹35. What is the percentage increase?
5. 5.A shopkeeper buys a sewing machine for ₹2450 and sells it for ₹2300. What is the loss (in ₹)?
6. 6.What is the simple interest on ₹5600 at 8% per year for 5 years (in ₹)?
7. 7.What is the simple interest on ₹5500 at 3% per year for 4 years (in ₹)?
8. 8.What is the amount (principal + simple interest) on ₹2900 at 8% per year for 5 years (in ₹)?
9. 9.What is 25% of 140?
10. 10.What is the amount (principal + simple interest) on ₹2000 at 2% per year for 1 year (in ₹)?
11. 11.A shopkeeper buys a fan for ₹1600 and sells it for ₹1640. What is the profit (in ₹)?
12. 12.A mobile phone bought for ₹3800 is sold for ₹4256. What is the profit per cent?
13. 13.What is 45% of 860?
14. 14.What is the simple interest on ₹4100 at 2% per year for 4 years (in ₹)?
15. 15.A cricket kit costs ₹2400. It is sold at a 40% loss. What is the selling price (in ₹)?
16. 16.What is the simple interest on ₹900 at 2% per year for 3 years (in ₹)?
17. 17.What is 25% of 780?
18. 18.What is the amount (principal + simple interest) on ₹8300 at 7% per year for 3 years (in ₹)?
19. 19.What is the amount (principal + simple interest) on ₹7700 at 5% per year for 2 years (in ₹)?
20. 20.What is the simple interest on ₹3200 at 2% per year for 5 years (in ₹)?
21. 21.What is 25% of 920?
22. 22.What is the simple interest on ₹900 at 2% per year for 2 years (in ₹)?
23. 23.A shopkeeper buys a table for ₹900 and sells it for ₹1000. What is the profit (in ₹)?
24. 24.The price of a school bag changed from ₹20 to ₹15. What is the percentage decrease?
25. 25.A cycle costs ₹3900. It is sold at a 5% loss. What is the selling price (in ₹)?
26. 26.The price of a cricket ball changed from ₹200 to ₹40. What is the percentage decrease?
27. 27.A cycle bought for ₹3300 is sold for ₹2640. What is the loss per cent?
28. 28.A cricket kit costs ₹900. It is sold at a 10% loss. What is the selling price (in ₹)?
29. 29.A fan costs ₹2500. It is sold at a 50% profit. What is the selling price (in ₹)?
30. 30.A cricket kit costs ₹1900. It is sold at a 25% profit. What is the selling price (in ₹)?
31. 31.What is the amount (principal + simple interest) on ₹9100 at 5% per year for 5 years (in ₹)?
32. 32.A sewing machine bought for ₹2700 is sold for ₹2160. What is the loss per cent?
33. 33.What is the simple interest on ₹3700 at 10% per year for 1 year (in ₹)?
34. 34.What is 75% of 40?
35. 35.What is the amount (principal + simple interest) on ₹5900 at 8% per year for 4 years (in ₹)?
36. 36.What is 75% of 900?
37. 37.What is the amount (principal + simple interest) on ₹500 at 9% per year for 4 years (in ₹)?
38. 38.A fan costs ₹2200. It is sold at a 25% loss. What is the selling price (in ₹)?
39. 39.The price of a box of mangoes changed from ₹250 to ₹150. What is the percentage decrease?
40. 40.What is the simple interest on ₹1900 at 12% per year for 5 years (in ₹)?

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