Class 7 Maths Worksheet: Profit and Loss, Simple Interest

Maths worksheets lesson 54: Comparing quantities: percentage, profit and loss, simple interest · Set 315 · 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 watch costs ₹600. It is sold at a 15% profit. What is the selling price (in ₹)?
2. 2.What is the amount (principal + simple interest) on ₹5100 at 3% per year for 1 year (in ₹)?
3. 3.What is 40% of 640?
4. 4.What is 60% of 220?
5. 5.What is the simple interest on ₹7000 at 3% per year for 2 years (in ₹)?
6. 6.A fan costs ₹1900. It is sold at a 20% profit. What is the selling price (in ₹)?
7. 7.What is the amount (principal + simple interest) on ₹8800 at 4% per year for 4 years (in ₹)?
8. 8.What is the amount (principal + simple interest) on ₹6300 at 8% per year for 2 years (in ₹)?
9. 9.A shopkeeper buys a mobile phone for ₹450 and sells it for ₹290. What is the loss (in ₹)?
10. 10.A shopkeeper buys a watch for ₹1350 and sells it for ₹1110. What is the loss (in ₹)?
11. 11.What is 35% of 860?
12. 12.The price of a bus pass changed from ₹400 to ₹560. What is the percentage increase?
13. 13.The price of a box of mangoes changed from ₹25 to ₹30. What is the percentage increase?
14. 14.A shopkeeper buys a sewing machine for ₹350 and sells it for ₹60. What is the loss (in ₹)?
15. 15.What is the simple interest on ₹8100 at 5% per year for 2 years (in ₹)?
16. 16.A watch bought for ₹2800 is sold for ₹3640. What is the profit per cent?
17. 17.A watch bought for ₹200 is sold for ₹250. What is the profit per cent?
18. 18.A mobile phone costs ₹200. It is sold at a 30% profit. What is the selling price (in ₹)?
19. 19.A shopkeeper buys a cooler for ₹1300 and sells it for ₹1520. What is the profit (in ₹)?
20. 20.What is the simple interest on ₹8400 at 12% per year for 3 years (in ₹)?
21. 21.What is the amount (principal + simple interest) on ₹9900 at 7% per year for 1 year (in ₹)?
22. 22.What is the amount (principal + simple interest) on ₹2900 at 5% per year for 3 years (in ₹)?
23. 23.What is 95% of 40?
24. 24.What is the amount (principal + simple interest) on ₹8400 at 11% per year for 3 years (in ₹)?
25. 25.The price of a cricket ball changed from ₹25 to ₹30. What is the percentage increase?
26. 26.The price of a cricket ball changed from ₹500 to ₹650. What is the percentage increase?
27. 27.What is 30% of 440?
28. 28.A shopkeeper buys a cricket kit for ₹2700 and sells it for ₹2720. What is the profit (in ₹)?
29. 29.A shopkeeper buys a table for ₹2800 and sells it for ₹2770. What is the loss (in ₹)?
30. 30.The price of a water bottle changed from ₹50 to ₹75. What is the percentage increase?
31. 31.What is the simple interest on ₹5900 at 7% per year for 4 years (in ₹)?
32. 32.The price of a pair of shoes changed from ₹50 to ₹60. What is the percentage increase?
33. 33.The price of a pair of shoes changed from ₹25 to ₹5. What is the percentage decrease?
34. 34.What is 30% of 240?
35. 35.What is the simple interest on ₹900 at 6% per year for 5 years (in ₹)?
36. 36.A watch costs ₹3000. It is sold at a 5% profit. What is the selling price (in ₹)?
37. 37.What is 85% of 860?
38. 38.The price of a cricket ball changed from ₹20 to ₹12. What is the percentage decrease?
39. 39.What is 45% of 580?
40. 40.A table bought for ₹300 is sold for ₹285. What is the loss per cent?

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