Class 7 Maths Worksheet: Profit and Loss, Simple Interest

Maths worksheets lesson 54: Comparing quantities: percentage, profit and loss, simple interest · Set 756 · 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 shopkeeper buys a cooler for ₹2800 and sells it for ₹2940. What is the profit (in ₹)?
2. 2.The price of a cricket ball changed from ₹50 to ₹40. What is the percentage decrease?
3. 3.The price of a cricket ball changed from ₹250 to ₹200. What is the percentage decrease?
4. 4.A shopkeeper buys a cricket kit for ₹2250 and sells it for ₹2130. What is the loss (in ₹)?
5. 5.What is 30% of 600?
6. 6.A shopkeeper buys a cricket kit for ₹1900 and sells it for ₹1820. What is the loss (in ₹)?
7. 7.What is 20% of 840?
8. 8.What is 20% of 480?
9. 9.The price of a bus pass changed from ₹20 to ₹36. What is the percentage increase?
10. 10.The price of a box of mangoes changed from ₹500 to ₹505. What is the percentage increase?
11. 11.A sewing machine bought for ₹3000 is sold for ₹3360. What is the profit per cent?
12. 12.What is 70% of 40?
13. 13.The price of a cricket ball changed from ₹25 to ₹15. What is the percentage decrease?
14. 14.What is 55% of 640?
15. 15.What is 20% of 580?
16. 16.A cycle bought for ₹3700 is sold for ₹2775. What is the loss per cent?
17. 17.A cooler bought for ₹1000 is sold for ₹700. What is the loss per cent?
18. 18.What is 15% of 900?
19. 19.The price of a cricket ball changed from ₹400 to ₹720. What is the percentage increase?
20. 20.A shopkeeper buys a mobile phone for ₹1400 and sells it for ₹1100. What is the loss (in ₹)?
21. 21.A shopkeeper buys a cycle for ₹1350 and sells it for ₹1200. What is the loss (in ₹)?
22. 22.A shopkeeper buys a cooler for ₹200 and sells it for ₹80. What is the loss (in ₹)?
23. 23.What is 70% of 680?
24. 24.What is the amount (principal + simple interest) on ₹3000 at 8% per year for 1 year (in ₹)?
25. 25.A cooler costs ₹1200. It is sold at a 50% loss. What is the selling price (in ₹)?
26. 26.A cycle bought for ₹1000 is sold for ₹800. What is the loss per cent?
27. 27.A cooler costs ₹4000. It is sold at a 30% profit. What is the selling price (in ₹)?
28. 28.What is 30% of 120?
29. 29.What is 5% of 340?
30. 30.A sewing machine bought for ₹1100 is sold for ₹1540. What is the profit per cent?
31. 31.What is the amount (principal + simple interest) on ₹5300 at 8% per year for 1 year (in ₹)?
32. 32.A shopkeeper buys a sewing machine for ₹2250 and sells it for ₹2290. What is the profit (in ₹)?
33. 33.What is 95% of 660?
34. 34.A table bought for ₹1700 is sold for ₹850. What is the loss per cent?
35. 35.A fan costs ₹1100. It is sold at a 15% profit. What is the selling price (in ₹)?
36. 36.A shopkeeper buys a sewing machine for ₹1000 and sells it for ₹1260. What is the profit (in ₹)?
37. 37.What is the simple interest on ₹1700 at 3% per year for 3 years (in ₹)?
38. 38.A cooler costs ₹1800. It is sold at a 25% profit. What is the selling price (in ₹)?
39. 39.The price of a bus pass changed from ₹50 to ₹20. What is the percentage decrease?
40. 40.What is the amount (principal + simple interest) on ₹9400 at 4% per year for 2 years (in ₹)?

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