Class 7 Maths Worksheet: Profit and Loss, Simple Interest

Maths worksheets lesson 54: Comparing quantities: percentage, profit and loss, simple interest · Set 104 · 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 cooler for ₹200 and sells it for ₹390. What is the profit (in ₹)?
2. 2.What is the simple interest on ₹2600 at 5% per year for 1 year (in ₹)?
3. 3.A watch costs ₹3200. It is sold at a 30% loss. What is the selling price (in ₹)?
4. 4.What is 10% of 100?
5. 5.A shopkeeper buys a table for ₹2800 and sells it for ₹2990. What is the profit (in ₹)?
6. 6.The price of a water bottle changed from ₹500 to ₹125. What is the percentage decrease?
7. 7.A sewing machine costs ₹700. It is sold at a 5% loss. What is the selling price (in ₹)?
8. 8.What is the simple interest on ₹3000 at 6% per year for 2 years (in ₹)?
9. 9.What is 10% of 240?
10. 10.The price of a bus pass changed from ₹50 to ₹70. What is the percentage increase?
11. 11.The price of a bus pass changed from ₹40 to ₹42. What is the percentage increase?
12. 12.A mobile phone bought for ₹400 is sold for ₹320. What is the loss per cent?
13. 13.What is 85% of 560?
14. 14.What is the simple interest on ₹1000 at 2% per year for 4 years (in ₹)?
15. 15.The price of a box of mangoes changed from ₹50 to ₹20. What is the percentage decrease?
16. 16.A shopkeeper buys a mobile phone for ₹700 and sells it for ₹580. What is the loss (in ₹)?
17. 17.A sewing machine costs ₹1800. It is sold at a 50% loss. What is the selling price (in ₹)?
18. 18.What is the simple interest on ₹2200 at 2% per year for 1 year (in ₹)?
19. 19.A cricket kit bought for ₹2800 is sold for ₹2240. What is the loss per cent?
20. 20.The price of a bus pass changed from ₹100 to ₹140. What is the percentage increase?
21. 21.The price of a bus pass changed from ₹50 to ₹20. What is the percentage decrease?
22. 22.What is 35% of 420?
23. 23.A table costs ₹1000. It is sold at a 40% profit. What is the selling price (in ₹)?
24. 24.What is 5% of 860?
25. 25.What is the amount (principal + simple interest) on ₹8900 at 2% per year for 2 years (in ₹)?
26. 26.What is the simple interest on ₹4300 at 3% per year for 2 years (in ₹)?
27. 27.What is the simple interest on ₹900 at 4% per year for 2 years (in ₹)?
28. 28.A sewing machine costs ₹3200. It is sold at a 10% profit. What is the selling price (in ₹)?
29. 29.A shopkeeper buys a cycle for ₹2800 and sells it for ₹2990. What is the profit (in ₹)?
30. 30.What is 55% of 380?
31. 31.The price of a school bag changed from ₹100 to ₹10. What is the percentage decrease?
32. 32.A mobile phone costs ₹1300. It is sold at a 40% profit. What is the selling price (in ₹)?
33. 33.What is 95% of 220?
34. 34.What is the amount (principal + simple interest) on ₹8000 at 5% per year for 4 years (in ₹)?
35. 35.What is the amount (principal + simple interest) on ₹9600 at 6% per year for 3 years (in ₹)?
36. 36.What is 70% of 200?
37. 37.What is the amount (principal + simple interest) on ₹7800 at 8% per year for 4 years (in ₹)?
38. 38.A cycle bought for ₹1600 is sold for ₹1120. What is the loss per cent?
39. 39.A shopkeeper buys a cycle for ₹2100 and sells it for ₹1980. What is the loss (in ₹)?
40. 40.A sewing machine costs ₹3400. It is sold at a 50% profit. What is the selling price (in ₹)?

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