Class 7 Maths Worksheet: Profit and Loss, Simple Interest

Maths worksheets lesson 54: Comparing quantities: percentage, profit and loss, simple interest · Set 339 · 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 ₹650 and sells it for ₹420. What is the loss (in ₹)?
2. 2.A cricket kit bought for ₹800 is sold for ₹1200. What is the profit per cent?
3. 3.What is the amount (principal + simple interest) on ₹4900 at 2% per year for 1 year (in ₹)?
4. 4.A cycle costs ₹2000. It is sold at a 15% profit. What is the selling price (in ₹)?
5. 5.What is the amount (principal + simple interest) on ₹2700 at 10% per year for 2 years (in ₹)?
6. 6.What is 90% of 980?
7. 7.A cooler costs ₹2400. It is sold at a 5% loss. What is the selling price (in ₹)?
8. 8.What is 5% of 580?
9. 9.The price of a box of mangoes changed from ₹80 to ₹8. What is the percentage decrease?
10. 10.A sewing machine bought for ₹3300 is sold for ₹3465. What is the profit per cent?
11. 11.What is 10% of 620?
12. 12.What is 90% of 380?
13. 13.What is the amount (principal + simple interest) on ₹4300 at 2% per year for 3 years (in ₹)?
14. 14.The price of a school bag changed from ₹40 to ₹4. What is the percentage decrease?
15. 15.A fan bought for ₹300 is sold for ₹315. What is the profit per cent?
16. 16.What is 30% of 960?
17. 17.A sewing machine costs ₹2100. It is sold at a 30% profit. What is the selling price (in ₹)?
18. 18.What is the simple interest on ₹1900 at 9% per year for 3 years (in ₹)?
19. 19.What is the simple interest on ₹5000 at 5% per year for 3 years (in ₹)?
20. 20.What is the amount (principal + simple interest) on ₹7500 at 3% per year for 3 years (in ₹)?
21. 21.A shopkeeper buys a table for ₹700 and sells it for ₹990. What is the profit (in ₹)?
22. 22.What is the simple interest on ₹8900 at 8% per year for 5 years (in ₹)?
23. 23.What is the amount (principal + simple interest) on ₹9300 at 5% per year for 3 years (in ₹)?
24. 24.What is the amount (principal + simple interest) on ₹1000 at 6% per year for 4 years (in ₹)?
25. 25.The price of a box of mangoes changed from ₹200 to ₹260. What is the percentage increase?
26. 26.What is the amount (principal + simple interest) on ₹4200 at 6% per year for 4 years (in ₹)?
27. 27.The price of a water bottle changed from ₹400 to ₹700. What is the percentage increase?
28. 28.A shopkeeper buys a mobile phone for ₹400 and sells it for ₹600. What is the profit (in ₹)?
29. 29.A cricket kit bought for ₹3700 is sold for ₹5180. What is the profit per cent?
30. 30.What is the amount (principal + simple interest) on ₹1700 at 4% per year for 1 year (in ₹)?
31. 31.A fan bought for ₹1000 is sold for ₹1300. What is the profit per cent?
32. 32.What is the amount (principal + simple interest) on ₹5200 at 2% per year for 4 years (in ₹)?
33. 33.What is 65% of 220?
34. 34.What is the amount (principal + simple interest) on ₹3300 at 6% per year for 5 years (in ₹)?
35. 35.What is 85% of 540?
36. 36.A shopkeeper buys a mobile phone for ₹600 and sells it for ₹780. What is the profit (in ₹)?
37. 37.What is the amount (principal + simple interest) on ₹4300 at 10% per year for 1 year (in ₹)?
38. 38.A shopkeeper buys a cycle for ₹700 and sells it for ₹610. What is the loss (in ₹)?
39. 39.What is 80% of 80?
40. 40.A shopkeeper buys a sewing machine for ₹650 and sells it for ₹760. What is the profit (in ₹)?

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