Class 7 Maths Worksheet: Profit and Loss, Simple Interest

Maths worksheets lesson 54: Comparing quantities: percentage, profit and loss, simple interest · Set 607 · 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 fan for ₹800 and sells it for ₹780. What is the loss (in ₹)?
2. 2.What is the simple interest on ₹500 at 9% per year for 2 years (in ₹)?
3. 3.The price of a water bottle changed from ₹250 to ₹125. What is the percentage decrease?
4. 4.A cooler costs ₹200. It is sold at a 10% profit. What is the selling price (in ₹)?
5. 5.What is 20% of 40?
6. 6.What is 85% of 80?
7. 7.What is the simple interest on ₹1100 at 3% per year for 3 years (in ₹)?
8. 8.The price of a box of mangoes changed from ₹200 to ₹210. What is the percentage increase?
9. 9.What is the amount (principal + simple interest) on ₹800 at 12% per year for 2 years (in ₹)?
10. 10.The price of a box of mangoes changed from ₹80 to ₹104. What is the percentage increase?
11. 11.What is the amount (principal + simple interest) on ₹9800 at 4% per year for 5 years (in ₹)?
12. 12.What is the simple interest on ₹9600 at 11% per year for 4 years (in ₹)?
13. 13.What is 5% of 180?
14. 14.A mobile phone bought for ₹400 is sold for ₹420. What is the profit per cent?
15. 15.A cricket kit costs ₹900. It is sold at a 5% loss. What is the selling price (in ₹)?
16. 16.What is 85% of 280?
17. 17.What is the amount (principal + simple interest) on ₹3500 at 5% per year for 3 years (in ₹)?
18. 18.What is 15% of 40?
19. 19.What is the amount (principal + simple interest) on ₹9600 at 8% per year for 4 years (in ₹)?
20. 20.A mobile phone costs ₹1600. It is sold at a 12% profit. What is the selling price (in ₹)?
21. 21.The price of a box of mangoes changed from ₹200 to ₹196. What is the percentage decrease?
22. 22.A cycle bought for ₹2000 is sold for ₹2300. What is the profit per cent?
23. 23.A fan costs ₹3300. It is sold at a 20% profit. What is the selling price (in ₹)?
24. 24.What is the simple interest on ₹4000 at 3% per year for 3 years (in ₹)?
25. 25.What is 45% of 840?
26. 26.What is 55% of 660?
27. 27.What is 20% of 80?
28. 28.A cycle bought for ₹2200 is sold for ₹2420. What is the profit per cent?
29. 29.What is the simple interest on ₹6400 at 2% per year for 3 years (in ₹)?
30. 30.A shopkeeper buys a watch for ₹2950 and sells it for ₹2980. What is the profit (in ₹)?
31. 31.What is the simple interest on ₹3500 at 11% per year for 5 years (in ₹)?
32. 32.A shopkeeper buys a watch for ₹1550 and sells it for ₹1810. What is the profit (in ₹)?
33. 33.The price of a school bag changed from ₹40 to ₹60. What is the percentage increase?
34. 34.What is the amount (principal + simple interest) on ₹1900 at 9% per year for 4 years (in ₹)?
35. 35.A shopkeeper buys a mobile phone for ₹800 and sells it for ₹950. What is the profit (in ₹)?
36. 36.What is 60% of 40?
37. 37.A shopkeeper buys a fan for ₹1500 and sells it for ₹1430. What is the loss (in ₹)?
38. 38.A shopkeeper buys a table for ₹1800 and sells it for ₹1740. What is the loss (in ₹)?
39. 39.What is 45% of 360?
40. 40.What is the simple interest on ₹9400 at 3% per year for 2 years (in ₹)?

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