Class 7 Maths Worksheet: Profit and Loss, Simple Interest

Maths worksheets lesson 54: Comparing quantities: percentage, profit and loss, simple interest · Set 445 · 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.The price of a box of mangoes changed from ₹400 to ₹320. What is the percentage decrease?
2. 2.The price of a cricket ball changed from ₹80 to ₹20. What is the percentage decrease?
3. 3.What is the simple interest on ₹7200 at 11% per year for 2 years (in ₹)?
4. 4.A cycle bought for ₹1800 is sold for ₹2700. What is the profit per cent?
5. 5.A cooler bought for ₹3100 is sold for ₹3255. What is the profit per cent?
6. 6.A fan costs ₹4000. It is sold at a 50% profit. What is the selling price (in ₹)?
7. 7.What is 45% of 1000?
8. 8.What is 20% of 140?
9. 9.What is the simple interest on ₹7200 at 3% per year for 5 years (in ₹)?
10. 10.A shopkeeper buys a mobile phone for ₹1100 and sells it for ₹1300. What is the profit (in ₹)?
11. 11.What is the simple interest on ₹9900 at 4% per year for 1 year (in ₹)?
12. 12.What is 90% of 840?
13. 13.What is 60% of 280?
14. 14.What is 90% of 400?
15. 15.A watch costs ₹2800. It is sold at a 12% profit. What is the selling price (in ₹)?
16. 16.What is the simple interest on ₹6900 at 2% per year for 1 year (in ₹)?
17. 17.What is 10% of 860?
18. 18.The price of a cricket ball changed from ₹40 to ₹48. What is the percentage increase?
19. 19.A mobile phone bought for ₹800 is sold for ₹640. What is the loss per cent?
20. 20.A shopkeeper buys a sewing machine for ₹1750 and sells it for ₹1600. What is the loss (in ₹)?
21. 21.The price of a bus pass changed from ₹250 to ₹245. What is the percentage decrease?
22. 22.A mobile phone bought for ₹3800 is sold for ₹5320. What is the profit per cent?
23. 23.A table costs ₹3000. It is sold at a 50% profit. What is the selling price (in ₹)?
24. 24.A table costs ₹1100. It is sold at a 15% profit. What is the selling price (in ₹)?
25. 25.What is the simple interest on ₹1400 at 4% per year for 3 years (in ₹)?
26. 26.What is the amount (principal + simple interest) on ₹2100 at 9% per year for 2 years (in ₹)?
27. 27.The price of a pair of shoes changed from ₹20 to ₹28. What is the percentage increase?
28. 28.What is 80% of 800?
29. 29.The price of a bus pass changed from ₹100 to ₹40. What is the percentage decrease?
30. 30.What is the amount (principal + simple interest) on ₹5400 at 5% per year for 4 years (in ₹)?
31. 31.A shopkeeper buys a watch for ₹2850 and sells it for ₹3140. What is the profit (in ₹)?
32. 32.What is 30% of 160?
33. 33.What is 45% of 760?
34. 34.What is the simple interest on ₹4000 at 6% per year for 3 years (in ₹)?
35. 35.A shopkeeper buys a table for ₹850 and sells it for ₹750. What is the loss (in ₹)?
36. 36.What is the simple interest on ₹4000 at 6% per year for 4 years (in ₹)?
37. 37.The price of a pair of shoes changed from ₹100 to ₹90. What is the percentage decrease?
38. 38.A fan costs ₹3600. It is sold at a 12% loss. What is the selling price (in ₹)?
39. 39.What is the simple interest on ₹7400 at 11% per year for 2 years (in ₹)?
40. 40.A cricket kit bought for ₹2300 is sold for ₹2024. What is the loss per cent?

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