Class 7 Maths Worksheet: Profit and Loss, Simple Interest

Maths worksheets lesson 54: Comparing quantities: percentage, profit and loss, simple interest · Set 486 · 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 ₹8400 at 10% per year for 4 years (in ₹)?
2. 2.What is the amount (principal + simple interest) on ₹9800 at 11% per year for 5 years (in ₹)?
3. 3.The price of a water bottle changed from ₹400 to ₹640. What is the percentage increase?
4. 4.What is 35% of 280?
5. 5.A shopkeeper buys a cooler for ₹1000 and sells it for ₹1300. What is the profit (in ₹)?
6. 6.What is the simple interest on ₹9100 at 10% per year for 2 years (in ₹)?
7. 7.A mobile phone bought for ₹3700 is sold for ₹4810. What is the profit per cent?
8. 8.A fan costs ₹2600. It is sold at a 12% profit. What is the selling price (in ₹)?
9. 9.What is the amount (principal + simple interest) on ₹5900 at 6% per year for 2 years (in ₹)?
10. 10.What is 10% of 840?
11. 11.What is 85% of 240?
12. 12.What is 80% of 180?
13. 13.What is the amount (principal + simple interest) on ₹7100 at 9% per year for 2 years (in ₹)?
14. 14.What is the simple interest on ₹8300 at 8% per year for 1 year (in ₹)?
15. 15.What is the amount (principal + simple interest) on ₹7700 at 3% per year for 5 years (in ₹)?
16. 16.The price of a box of mangoes changed from ₹250 to ₹50. What is the percentage decrease?
17. 17.What is 60% of 440?
18. 18.The price of a school bag changed from ₹250 to ₹150. What is the percentage decrease?
19. 19.A shopkeeper buys a cricket kit for ₹250 and sells it for ₹290. What is the profit (in ₹)?
20. 20.What is the amount (principal + simple interest) on ₹2400 at 5% per year for 3 years (in ₹)?
21. 21.A table costs ₹3600. It is sold at a 20% profit. What is the selling price (in ₹)?
22. 22.A shopkeeper buys a sewing machine for ₹1300 and sells it for ₹1430. What is the profit (in ₹)?
23. 23.The price of a water bottle changed from ₹50 to ₹45. What is the percentage decrease?
24. 24.What is 95% of 880?
25. 25.A mobile phone costs ₹3800. It is sold at a 10% profit. What is the selling price (in ₹)?
26. 26.A mobile phone bought for ₹600 is sold for ₹672. What is the profit per cent?
27. 27.A mobile phone bought for ₹3100 is sold for ₹1860. What is the loss per cent?
28. 28.The price of a bus pass changed from ₹50 to ₹51. What is the percentage increase?
29. 29.The price of a water bottle changed from ₹100 to ₹10. What is the percentage decrease?
30. 30.A shopkeeper buys a fan for ₹1250 and sells it for ₹1270. What is the profit (in ₹)?
31. 31.A shopkeeper buys a sewing machine for ₹1300 and sells it for ₹1320. What is the profit (in ₹)?
32. 32.What is the simple interest on ₹1600 at 10% per year for 4 years (in ₹)?
33. 33.The price of a cricket ball changed from ₹100 to ₹102. What is the percentage increase?
34. 34.What is 95% of 620?
35. 35.The price of a bus pass changed from ₹20 to ₹14. What is the percentage decrease?
36. 36.What is the simple interest on ₹1100 at 9% per year for 5 years (in ₹)?
37. 37.A shopkeeper buys a fan for ₹1400 and sells it for ₹1530. What is the profit (in ₹)?
38. 38.What is the amount (principal + simple interest) on ₹7300 at 3% per year for 3 years (in ₹)?
39. 39.A shopkeeper buys a cycle for ₹2650 and sells it for ₹2920. What is the profit (in ₹)?
40. 40.The price of a cricket ball changed from ₹100 to ₹99. What is the percentage decrease?

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