Class 7 Maths Worksheet: Profit and Loss, Simple Interest

Maths worksheets lesson 54: Comparing quantities: percentage, profit and loss, simple interest · Set 149 · 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 mobile phone costs ₹1100. It is sold at a 25% loss. What is the selling price (in ₹)?
2. 2.A cricket kit costs ₹3200. It is sold at a 50% loss. What is the selling price (in ₹)?
3. 3.The price of a bus pass changed from ₹200 to ₹180. What is the percentage decrease?
4. 4.A shopkeeper buys a mobile phone for ₹1850 and sells it for ₹1830. What is the loss (in ₹)?
5. 5.What is the amount (principal + simple interest) on ₹4100 at 3% per year for 5 years (in ₹)?
6. 6.What is the amount (principal + simple interest) on ₹8000 at 2% per year for 1 year (in ₹)?
7. 7.What is 10% of 280?
8. 8.What is 80% of 280?
9. 9.What is 30% of 860?
10. 10.A cooler costs ₹3500. It is sold at a 30% loss. What is the selling price (in ₹)?
11. 11.A shopkeeper buys a fan for ₹2500 and sells it for ₹2630. What is the profit (in ₹)?
12. 12.A shopkeeper buys a watch for ₹2850 and sells it for ₹3150. What is the profit (in ₹)?
13. 13.A shopkeeper buys a cricket kit for ₹2200 and sells it for ₹2260. What is the profit (in ₹)?
14. 14.A shopkeeper buys a mobile phone for ₹1250 and sells it for ₹1010. What is the loss (in ₹)?
15. 15.The price of a pair of shoes changed from ₹400 to ₹320. What is the percentage decrease?
16. 16.A shopkeeper buys a fan for ₹450 and sells it for ₹740. What is the profit (in ₹)?
17. 17.What is the simple interest on ₹2100 at 11% per year for 4 years (in ₹)?
18. 18.The price of a school bag changed from ₹40 to ₹52. What is the percentage increase?
19. 19.The price of a school bag changed from ₹200 to ₹260. What is the percentage increase?
20. 20.A shopkeeper buys a mobile phone for ₹1750 and sells it for ₹1960. What is the profit (in ₹)?
21. 21.A table bought for ₹2000 is sold for ₹3000. What is the profit per cent?
22. 22.A shopkeeper buys a cricket kit for ₹350 and sells it for ₹600. What is the profit (in ₹)?
23. 23.A shopkeeper buys a sewing machine for ₹950 and sells it for ₹860. What is the loss (in ₹)?
24. 24.A mobile phone costs ₹1000. It is sold at a 10% profit. What is the selling price (in ₹)?
25. 25.What is the simple interest on ₹8500 at 5% per year for 2 years (in ₹)?
26. 26.A cooler costs ₹500. It is sold at a 15% loss. What is the selling price (in ₹)?
27. 27.A cooler costs ₹1100. It is sold at a 5% loss. What is the selling price (in ₹)?
28. 28.A fan costs ₹3200. It is sold at a 20% profit. What is the selling price (in ₹)?
29. 29.What is 20% of 220?
30. 30.A shopkeeper buys a table for ₹500 and sells it for ₹520. What is the profit (in ₹)?
31. 31.What is the amount (principal + simple interest) on ₹2100 at 6% per year for 4 years (in ₹)?
32. 32.The price of a box of mangoes changed from ₹20 to ₹22. What is the percentage increase?
33. 33.A watch costs ₹3700. It is sold at a 5% profit. What is the selling price (in ₹)?
34. 34.What is 25% of 920?
35. 35.What is 25% of 580?
36. 36.A mobile phone costs ₹300. It is sold at a 15% loss. What is the selling price (in ₹)?
37. 37.The price of a box of mangoes changed from ₹200 to ₹80. What is the percentage decrease?
38. 38.What is the simple interest on ₹3200 at 11% per year for 4 years (in ₹)?
39. 39.What is the amount (principal + simple interest) on ₹8800 at 7% per year for 5 years (in ₹)?
40. 40.The price of a pair of shoes changed from ₹20 to ₹14. What is the percentage decrease?

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