Class 7 Maths Worksheet: Profit and Loss, Simple Interest

Maths worksheets lesson 54: Comparing quantities: percentage, profit and loss, simple interest · Set 980 · 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 box of mangoes changed from ₹20 to ₹10. What is the percentage decrease?
2. 2.The price of a bus pass changed from ₹100 to ₹102. What is the percentage increase?
3. 3.The price of a box of mangoes changed from ₹50 to ₹51. What is the percentage increase?
4. 4.A mobile phone bought for ₹1100 is sold for ₹1155. What is the profit per cent?
5. 5.What is 30% of 200?
6. 6.A sewing machine bought for ₹2000 is sold for ₹1200. What is the loss per cent?
7. 7.What is the simple interest on ₹7000 at 9% per year for 3 years (in ₹)?
8. 8.A shopkeeper buys a cycle for ₹2700 and sells it for ₹2780. What is the profit (in ₹)?
9. 9.A cooler bought for ₹2600 is sold for ₹3120. What is the profit per cent?
10. 10.A cycle bought for ₹3300 is sold for ₹3696. What is the profit per cent?
11. 11.A mobile phone bought for ₹700 is sold for ₹784. What is the profit per cent?
12. 12.What is the amount (principal + simple interest) on ₹4100 at 11% per year for 2 years (in ₹)?
13. 13.What is the amount (principal + simple interest) on ₹8100 at 8% per year for 5 years (in ₹)?
14. 14.The price of a pair of shoes changed from ₹40 to ₹64. What is the percentage increase?
15. 15.A fan costs ₹3500. It is sold at a 40% profit. What is the selling price (in ₹)?
16. 16.A cricket kit costs ₹900. It is sold at a 5% loss. What is the selling price (in ₹)?
17. 17.A shopkeeper buys a sewing machine for ₹2050 and sells it for ₹2250. What is the profit (in ₹)?
18. 18.What is 25% of 140?
19. 19.A cycle bought for ₹3900 is sold for ₹3705. What is the loss per cent?
20. 20.The price of a water bottle changed from ₹250 to ₹25. What is the percentage decrease?
21. 21.What is 85% of 40?
22. 22.What is the simple interest on ₹3900 at 6% per year for 4 years (in ₹)?
23. 23.What is 75% of 720?
24. 24.The price of a pair of shoes changed from ₹400 to ₹760. What is the percentage increase?
25. 25.A cooler bought for ₹2200 is sold for ₹2464. What is the profit per cent?
26. 26.A watch bought for ₹2300 is sold for ₹2645. What is the profit per cent?
27. 27.The price of a cricket ball changed from ₹20 to ₹14. What is the percentage decrease?
28. 28.A shopkeeper buys a cooler for ₹650 and sells it for ₹630. What is the loss (in ₹)?
29. 29.A table bought for ₹1100 is sold for ₹968. What is the loss per cent?
30. 30.The price of a bus pass changed from ₹500 to ₹125. What is the percentage decrease?
31. 31.The price of a school bag changed from ₹20 to ₹10. What is the percentage decrease?
32. 32.A cooler costs ₹1500. It is sold at a 12% loss. What is the selling price (in ₹)?
33. 33.What is 90% of 40?
34. 34.What is the amount (principal + simple interest) on ₹8500 at 3% per year for 4 years (in ₹)?
35. 35.What is the amount (principal + simple interest) on ₹600 at 11% per year for 2 years (in ₹)?
36. 36.What is the amount (principal + simple interest) on ₹9000 at 2% per year for 1 year (in ₹)?
37. 37.What is the amount (principal + simple interest) on ₹2900 at 8% per year for 5 years (in ₹)?
38. 38.A shopkeeper buys a mobile phone for ₹2800 and sells it for ₹2980. What is the profit (in ₹)?
39. 39.What is the simple interest on ₹4700 at 2% per year for 1 year (in ₹)?
40. 40.The price of a box of mangoes changed from ₹200 to ₹160. What is the percentage decrease?

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