Class 7 Maths Worksheet: Profit and Loss, Simple Interest

Maths worksheets lesson 54: Comparing quantities: percentage, profit and loss, simple interest · Set 524 · 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.What is the simple interest on ₹2800 at 5% per year for 2 years (in ₹)?
2. 2.A watch costs ₹3200. It is sold at a 50% loss. What is the selling price (in ₹)?
3. 3.A sewing machine bought for ₹3200 is sold for ₹3360. What is the profit per cent?
4. 4.What is the amount (principal + simple interest) on ₹2000 at 8% per year for 3 years (in ₹)?
5. 5.A cooler bought for ₹1000 is sold for ₹950. What is the loss per cent?
6. 6.A shopkeeper buys a fan for ₹2850 and sells it for ₹2690. What is the loss (in ₹)?
7. 7.What is 40% of 680?
8. 8.A cricket kit bought for ₹1400 is sold for ₹1232. What is the loss per cent?
9. 9.What is the simple interest on ₹4800 at 3% per year for 5 years (in ₹)?
10. 10.What is 20% of 120?
11. 11.The price of a school bag changed from ₹250 to ₹350. What is the percentage increase?
12. 12.A shopkeeper buys a cricket kit for ₹550 and sells it for ₹620. What is the profit (in ₹)?
13. 13.What is the simple interest on ₹4700 at 9% per year for 1 year (in ₹)?
14. 14.What is 65% of 740?
15. 15.What is the amount (principal + simple interest) on ₹800 at 4% per year for 5 years (in ₹)?
16. 16.What is 45% of 840?
17. 17.What is the simple interest on ₹1200 at 8% per year for 4 years (in ₹)?
18. 18.What is 65% of 180?
19. 19.A table costs ₹3900. It is sold at a 50% profit. What is the selling price (in ₹)?
20. 20.A cricket kit bought for ₹3500 is sold for ₹4900. What is the profit per cent?
21. 21.The price of a cricket ball changed from ₹80 to ₹40. What is the percentage decrease?
22. 22.A table bought for ₹600 is sold for ₹720. What is the profit per cent?
23. 23.A shopkeeper buys a mobile phone for ₹1150 and sells it for ₹1400. What is the profit (in ₹)?
24. 24.The price of a water bottle changed from ₹100 to ₹175. What is the percentage increase?
25. 25.The price of a school bag changed from ₹50 to ₹10. What is the percentage decrease?
26. 26.A mobile phone costs ₹2300. It is sold at a 50% profit. What is the selling price (in ₹)?
27. 27.What is the simple interest on ₹5700 at 9% per year for 3 years (in ₹)?
28. 28.What is 30% of 680?
29. 29.What is the amount (principal + simple interest) on ₹7000 at 4% per year for 5 years (in ₹)?
30. 30.A cooler costs ₹1600. It is sold at a 40% loss. What is the selling price (in ₹)?
31. 31.A shopkeeper buys a cycle for ₹1250 and sells it for ₹1020. What is the loss (in ₹)?
32. 32.What is the amount (principal + simple interest) on ₹7900 at 9% per year for 1 year (in ₹)?
33. 33.A cooler bought for ₹500 is sold for ₹650. What is the profit per cent?
34. 34.A watch costs ₹3100. It is sold at a 12% profit. What is the selling price (in ₹)?
35. 35.A cycle bought for ₹2800 is sold for ₹3220. What is the profit per cent?
36. 36.A shopkeeper buys a sewing machine for ₹1900 and sells it for ₹2050. What is the profit (in ₹)?
37. 37.The price of a cricket ball changed from ₹50 to ₹49. What is the percentage decrease?
38. 38.A cycle costs ₹3300. It is sold at a 20% profit. What is the selling price (in ₹)?
39. 39.A table bought for ₹2000 is sold for ₹3000. What is the profit per cent?
40. 40.A shopkeeper buys a mobile phone for ₹1500 and sells it for ₹1540. What is the profit (in ₹)?

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