Class 7 Maths Worksheet: Profit and Loss, Simple Interest

Maths worksheets lesson 54: Comparing quantities: percentage, profit and loss, simple interest · Set 811 · 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 sewing machine costs ₹3900. It is sold at a 50% loss. What is the selling price (in ₹)?
2. 2.A watch costs ₹1600. It is sold at a 12% profit. What is the selling price (in ₹)?
3. 3.What is the amount (principal + simple interest) on ₹7800 at 11% per year for 5 years (in ₹)?
4. 4.A shopkeeper buys a fan for ₹1350 and sells it for ₹1590. What is the profit (in ₹)?
5. 5.What is the simple interest on ₹6100 at 8% per year for 1 year (in ₹)?
6. 6.What is the simple interest on ₹6900 at 3% per year for 4 years (in ₹)?
7. 7.A shopkeeper buys a sewing machine for ₹2000 and sells it for ₹2120. What is the profit (in ₹)?
8. 8.What is 85% of 740?
9. 9.What is 65% of 640?
10. 10.A fan bought for ₹800 is sold for ₹896. What is the profit per cent?
11. 11.A cooler bought for ₹300 is sold for ₹240. What is the loss per cent?
12. 12.A cricket kit costs ₹1200. It is sold at a 40% profit. What is the selling price (in ₹)?
13. 13.A watch bought for ₹1400 is sold for ₹1120. What is the loss per cent?
14. 14.A mobile phone costs ₹2400. It is sold at a 5% profit. What is the selling price (in ₹)?
15. 15.What is 20% of 600?
16. 16.What is the simple interest on ₹4400 at 3% per year for 4 years (in ₹)?
17. 17.What is the simple interest on ₹1400 at 4% per year for 1 year (in ₹)?
18. 18.What is the simple interest on ₹6600 at 2% per year for 2 years (in ₹)?
19. 19.What is 30% of 640?
20. 20.What is the simple interest on ₹1600 at 7% per year for 1 year (in ₹)?
21. 21.What is the simple interest on ₹3200 at 4% per year for 1 year (in ₹)?
22. 22.A mobile phone bought for ₹2500 is sold for ₹3000. What is the profit per cent?
23. 23.What is 85% of 60?
24. 24.A sewing machine bought for ₹2500 is sold for ₹2625. What is the profit per cent?
25. 25.What is the simple interest on ₹8300 at 2% per year for 5 years (in ₹)?
26. 26.A sewing machine costs ₹200. It is sold at a 12% loss. What is the selling price (in ₹)?
27. 27.The price of a pair of shoes changed from ₹20 to ₹2. What is the percentage decrease?
28. 28.What is 95% of 560?
29. 29.A cooler costs ₹1300. It is sold at a 30% loss. What is the selling price (in ₹)?
30. 30.What is the amount (principal + simple interest) on ₹6100 at 5% per year for 2 years (in ₹)?
31. 31.The price of a bus pass changed from ₹80 to ₹140. What is the percentage increase?
32. 32.A cricket kit costs ₹3200. It is sold at a 20% loss. What is the selling price (in ₹)?
33. 33.What is the simple interest on ₹8900 at 9% per year for 1 year (in ₹)?
34. 34.A cricket kit costs ₹3400. It is sold at a 30% profit. What is the selling price (in ₹)?
35. 35.What is the simple interest on ₹9100 at 10% per year for 2 years (in ₹)?
36. 36.What is 40% of 220?
37. 37.What is the amount (principal + simple interest) on ₹2300 at 10% per year for 1 year (in ₹)?
38. 38.What is the simple interest on ₹4300 at 5% per year for 1 year (in ₹)?
39. 39.The price of a school bag changed from ₹400 to ₹408. What is the percentage increase?
40. 40.The price of a cricket ball changed from ₹20 to ₹12. What is the percentage decrease?

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