Class 7 Maths Worksheet: Profit and Loss, Simple Interest

Maths worksheets lesson 54: Comparing quantities: percentage, profit and loss, simple interest · Set 118 · 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 watch for ₹900 and sells it for ₹1030. What is the profit (in ₹)?
2. 2.What is 95% of 700?
3. 3.What is the amount (principal + simple interest) on ₹3100 at 5% per year for 4 years (in ₹)?
4. 4.What is the amount (principal + simple interest) on ₹5600 at 8% per year for 1 year (in ₹)?
5. 5.The price of a water bottle changed from ₹100 to ₹130. What is the percentage increase?
6. 6.A fan bought for ₹600 is sold for ₹420. What is the loss per cent?
7. 7.A cricket kit costs ₹1600. It is sold at a 30% loss. What is the selling price (in ₹)?
8. 8.What is 15% of 300?
9. 9.A mobile phone bought for ₹3500 is sold for ₹2450. What is the loss per cent?
10. 10.The price of a cricket ball changed from ₹40 to ₹64. What is the percentage increase?
11. 11.What is 70% of 960?
12. 12.What is 75% of 680?
13. 13.The price of a school bag changed from ₹80 to ₹76. What is the percentage decrease?
14. 14.A shopkeeper buys a watch for ₹1100 and sells it for ₹1230. What is the profit (in ₹)?
15. 15.A table costs ₹1500. It is sold at a 5% loss. What is the selling price (in ₹)?
16. 16.A cycle costs ₹3600. It is sold at a 40% profit. What is the selling price (in ₹)?
17. 17.What is the simple interest on ₹9300 at 10% per year for 1 year (in ₹)?
18. 18.What is 5% of 80?
19. 19.A mobile phone bought for ₹400 is sold for ₹448. What is the profit per cent?
20. 20.The price of a school bag changed from ₹200 to ₹120. What is the percentage decrease?
21. 21.What is the amount (principal + simple interest) on ₹7300 at 3% per year for 1 year (in ₹)?
22. 22.What is 60% of 40?
23. 23.A shopkeeper buys a watch for ₹450 and sells it for ₹720. What is the profit (in ₹)?
24. 24.A shopkeeper buys a mobile phone for ₹2750 and sells it for ₹2500. What is the loss (in ₹)?
25. 25.A sewing machine bought for ₹3200 is sold for ₹3680. What is the profit per cent?
26. 26.What is 20% of 240?
27. 27.What is the amount (principal + simple interest) on ₹3600 at 12% per year for 3 years (in ₹)?
28. 28.What is the amount (principal + simple interest) on ₹5900 at 7% per year for 3 years (in ₹)?
29. 29.A shopkeeper buys a cooler for ₹1550 and sells it for ₹1820. What is the profit (in ₹)?
30. 30.A cricket kit costs ₹3900. It is sold at a 10% loss. What is the selling price (in ₹)?
31. 31.What is 45% of 80?
32. 32.The price of a bus pass changed from ₹100 to ₹50. What is the percentage decrease?
33. 33.The price of a school bag changed from ₹40 to ₹20. What is the percentage decrease?
34. 34.A fan bought for ₹200 is sold for ₹180. What is the loss per cent?
35. 35.A watch bought for ₹3100 is sold for ₹4030. What is the profit per cent?
36. 36.A shopkeeper buys a watch for ₹1500 and sells it for ₹1350. What is the loss (in ₹)?
37. 37.A sewing machine bought for ₹700 is sold for ₹805. What is the profit per cent?
38. 38.What is 10% of 700?
39. 39.What is the amount (principal + simple interest) on ₹4900 at 8% per year for 3 years (in ₹)?
40. 40.What is the amount (principal + simple interest) on ₹4500 at 5% per year for 5 years (in ₹)?

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