Class 7 Maths Worksheet: Profit and Loss, Simple Interest

Maths worksheets lesson 54: Comparing quantities: percentage, profit and loss, simple interest · Set 796 · 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 cooler costs ₹400. It is sold at a 10% loss. What is the selling price (in ₹)?
2. 2.A mobile phone costs ₹2700. It is sold at a 30% loss. What is the selling price (in ₹)?
3. 3.A shopkeeper buys a watch for ₹1300 and sells it for ₹1360. What is the profit (in ₹)?
4. 4.A watch bought for ₹2300 is sold for ₹3450. What is the profit per cent?
5. 5.What is the amount (principal + simple interest) on ₹3200 at 11% per year for 1 year (in ₹)?
6. 6.What is the amount (principal + simple interest) on ₹800 at 3% per year for 4 years (in ₹)?
7. 7.What is 20% of 200?
8. 8.What is 15% of 500?
9. 9.A shopkeeper buys a sewing machine for ₹1800 and sells it for ₹2050. What is the profit (in ₹)?
10. 10.What is the amount (principal + simple interest) on ₹1700 at 10% per year for 5 years (in ₹)?
11. 11.What is the amount (principal + simple interest) on ₹2700 at 11% per year for 5 years (in ₹)?
12. 12.A shopkeeper buys a sewing machine for ₹1350 and sells it for ₹1250. What is the loss (in ₹)?
13. 13.A table bought for ₹1100 is sold for ₹1155. What is the profit per cent?
14. 14.What is the amount (principal + simple interest) on ₹8100 at 12% per year for 4 years (in ₹)?
15. 15.A mobile phone bought for ₹2200 is sold for ₹2090. What is the loss per cent?
16. 16.The price of a cricket ball changed from ₹200 to ₹220. What is the percentage increase?
17. 17.What is the simple interest on ₹1400 at 10% per year for 2 years (in ₹)?
18. 18.What is the simple interest on ₹8700 at 9% per year for 1 year (in ₹)?
19. 19.What is 60% of 560?
20. 20.The price of a bus pass changed from ₹40 to ₹70. What is the percentage increase?
21. 21.A sewing machine costs ₹2700. It is sold at a 20% profit. What is the selling price (in ₹)?
22. 22.The price of a school bag changed from ₹400 to ₹480. What is the percentage increase?
23. 23.What is the amount (principal + simple interest) on ₹3100 at 12% per year for 5 years (in ₹)?
24. 24.What is 55% of 340?
25. 25.What is 40% of 460?
26. 26.A sewing machine costs ₹200. It is sold at a 25% loss. What is the selling price (in ₹)?
27. 27.What is the simple interest on ₹9500 at 5% per year for 5 years (in ₹)?
28. 28.A table bought for ₹400 is sold for ₹320. What is the loss per cent?
29. 29.What is the simple interest on ₹5800 at 7% per year for 1 year (in ₹)?
30. 30.What is the amount (principal + simple interest) on ₹6500 at 2% per year for 1 year (in ₹)?
31. 31.What is 5% of 660?
32. 32.What is the simple interest on ₹2100 at 12% per year for 5 years (in ₹)?
33. 33.The price of a cricket ball changed from ₹100 to ₹105. What is the percentage increase?
34. 34.What is the amount (principal + simple interest) on ₹9400 at 5% per year for 3 years (in ₹)?
35. 35.A cricket kit costs ₹2200. It is sold at a 40% loss. What is the selling price (in ₹)?
36. 36.What is the amount (principal + simple interest) on ₹8300 at 6% per year for 3 years (in ₹)?
37. 37.What is 45% of 300?
38. 38.What is the amount (principal + simple interest) on ₹9100 at 7% per year for 1 year (in ₹)?
39. 39.A cooler bought for ₹2400 is sold for ₹1800. What is the loss per cent?
40. 40.What is 30% of 140?

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