Class 7 Maths Worksheet: Profit and Loss, Simple Interest

Maths worksheets lesson 54: Comparing quantities: percentage, profit and loss, simple interest · Set 712 · 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.The price of a water bottle changed from ₹40 to ₹4. What is the percentage decrease?
2. 2.A mobile phone costs ₹1200. It is sold at a 50% profit. What is the selling price (in ₹)?
3. 3.A shopkeeper buys a cooler for ₹1800 and sells it for ₹1880. What is the profit (in ₹)?
4. 4.A sewing machine costs ₹1300. It is sold at a 30% profit. What is the selling price (in ₹)?
5. 5.The price of a bus pass changed from ₹40 to ₹42. What is the percentage increase?
6. 6.What is the simple interest on ₹4100 at 2% per year for 4 years (in ₹)?
7. 7.What is the simple interest on ₹3500 at 3% per year for 3 years (in ₹)?
8. 8.What is the amount (principal + simple interest) on ₹1300 at 2% per year for 1 year (in ₹)?
9. 9.A mobile phone bought for ₹3300 is sold for ₹1650. What is the loss per cent?
10. 10.A cricket kit bought for ₹500 is sold for ₹550. What is the profit per cent?
11. 11.A mobile phone bought for ₹2500 is sold for ₹3125. What is the profit per cent?
12. 12.A cycle costs ₹800. It is sold at a 15% loss. What is the selling price (in ₹)?
13. 13.The price of a bus pass changed from ₹200 to ₹190. What is the percentage decrease?
14. 14.What is the amount (principal + simple interest) on ₹500 at 10% per year for 1 year (in ₹)?
15. 15.What is 5% of 680?
16. 16.What is 70% of 680?
17. 17.A shopkeeper buys a mobile phone for ₹2600 and sells it for ₹2670. What is the profit (in ₹)?
18. 18.A cooler bought for ₹1300 is sold for ₹1950. What is the profit per cent?
19. 19.The price of a bus pass changed from ₹25 to ₹5. What is the percentage decrease?
20. 20.The price of a cricket ball changed from ₹250 to ₹400. What is the percentage increase?
21. 21.What is the amount (principal + simple interest) on ₹8100 at 2% per year for 3 years (in ₹)?
22. 22.A shopkeeper buys a fan for ₹700 and sells it for ₹840. What is the profit (in ₹)?
23. 23.The price of a box of mangoes changed from ₹250 to ₹25. What is the percentage decrease?
24. 24.A sewing machine costs ₹3500. It is sold at a 40% loss. What is the selling price (in ₹)?
25. 25.A cricket kit bought for ₹3900 is sold for ₹4368. What is the profit per cent?
26. 26.A shopkeeper buys a mobile phone for ₹2100 and sells it for ₹2120. What is the profit (in ₹)?
27. 27.A watch costs ₹2000. It is sold at a 10% loss. What is the selling price (in ₹)?
28. 28.A fan costs ₹3400. It is sold at a 15% profit. What is the selling price (in ₹)?
29. 29.What is the amount (principal + simple interest) on ₹9100 at 7% per year for 3 years (in ₹)?
30. 30.A shopkeeper buys a sewing machine for ₹2550 and sells it for ₹2760. What is the profit (in ₹)?
31. 31.A table bought for ₹1800 is sold for ₹1440. What is the loss per cent?
32. 32.What is 45% of 480?
33. 33.The price of a bus pass changed from ₹40 to ₹24. What is the percentage decrease?
34. 34.A cricket kit bought for ₹2500 is sold for ₹2375. What is the loss per cent?
35. 35.What is 75% of 160?
36. 36.A sewing machine costs ₹1100. It is sold at a 5% loss. What is the selling price (in ₹)?
37. 37.A table bought for ₹3800 is sold for ₹3344. What is the loss per cent?
38. 38.A cricket kit bought for ₹3200 is sold for ₹3040. What is the loss per cent?
39. 39.The price of a bus pass changed from ₹250 to ₹255. What is the percentage increase?
40. 40.What is 95% of 60?

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