Class 7 Maths Worksheet: Profit and Loss, Simple Interest

Maths worksheets lesson 54: Comparing quantities: percentage, profit and loss, simple interest · Set 24 · 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 sewing machine for ₹2400 and sells it for ₹2690. What is the profit (in ₹)?
2. 2.What is the simple interest on ₹3400 at 11% per year for 4 years (in ₹)?
3. 3.A cricket kit costs ₹1200. It is sold at a 12% profit. What is the selling price (in ₹)?
4. 4.What is the amount (principal + simple interest) on ₹7900 at 6% per year for 3 years (in ₹)?
5. 5.What is the simple interest on ₹2900 at 2% per year for 1 year (in ₹)?
6. 6.A cricket kit costs ₹2300. It is sold at a 12% loss. What is the selling price (in ₹)?
7. 7.What is 20% of 60?
8. 8.What is 55% of 120?
9. 9.A cooler bought for ₹2700 is sold for ₹4050. What is the profit per cent?
10. 10.What is 80% of 700?
11. 11.A shopkeeper buys a fan for ₹400 and sells it for ₹130. What is the loss (in ₹)?
12. 12.What is the simple interest on ₹9300 at 8% per year for 4 years (in ₹)?
13. 13.What is the amount (principal + simple interest) on ₹9700 at 9% per year for 1 year (in ₹)?
14. 14.What is the amount (principal + simple interest) on ₹1400 at 10% per year for 2 years (in ₹)?
15. 15.What is 55% of 140?
16. 16.A cricket kit costs ₹200. It is sold at a 15% profit. What is the selling price (in ₹)?
17. 17.What is the amount (principal + simple interest) on ₹3800 at 10% per year for 4 years (in ₹)?
18. 18.What is 35% of 40?
19. 19.What is the amount (principal + simple interest) on ₹1200 at 5% per year for 4 years (in ₹)?
20. 20.What is the amount (principal + simple interest) on ₹2800 at 12% per year for 1 year (in ₹)?
21. 21.What is 25% of 100?
22. 22.A sewing machine costs ₹2700. It is sold at a 30% loss. What is the selling price (in ₹)?
23. 23.The price of a box of mangoes changed from ₹25 to ₹20. What is the percentage decrease?
24. 24.What is 40% of 780?
25. 25.The price of a water bottle changed from ₹200 to ₹320. What is the percentage increase?
26. 26.A mobile phone costs ₹2100. It is sold at a 5% loss. What is the selling price (in ₹)?
27. 27.A shopkeeper buys a mobile phone for ₹1650 and sells it for ₹1810. What is the profit (in ₹)?
28. 28.What is 75% of 80?
29. 29.A shopkeeper buys a table for ₹2800 and sells it for ₹2780. What is the loss (in ₹)?
30. 30.A cooler bought for ₹3600 is sold for ₹3780. What is the profit per cent?
31. 31.What is the amount (principal + simple interest) on ₹9200 at 12% per year for 2 years (in ₹)?
32. 32.A watch bought for ₹800 is sold for ₹1040. What is the profit per cent?
33. 33.What is the amount (principal + simple interest) on ₹10000 at 4% per year for 3 years (in ₹)?
34. 34.A mobile phone bought for ₹3500 is sold for ₹3325. What is the loss per cent?
35. 35.What is 30% of 620?
36. 36.The price of a pair of shoes changed from ₹80 to ₹100. What is the percentage increase?
37. 37.A shopkeeper buys a cycle for ₹250 and sells it for ₹240. What is the loss (in ₹)?
38. 38.What is 80% of 280?
39. 39.What is 55% of 420?
40. 40.The price of a school bag changed from ₹250 to ₹325. What is the percentage increase?

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