Class 7 Maths Worksheet: Profit and Loss, Simple Interest

Maths worksheets lesson 54: Comparing quantities: percentage, profit and loss, simple interest · Set 106 · 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 cricket ball changed from ₹25 to ₹10. What is the percentage decrease?
2. 2.What is the amount (principal + simple interest) on ₹9100 at 8% per year for 2 years (in ₹)?
3. 3.What is 75% of 840?
4. 4.A shopkeeper buys a mobile phone for ₹2150 and sells it for ₹2370. What is the profit (in ₹)?
5. 5.What is 45% of 940?
6. 6.What is 30% of 820?
7. 7.A shopkeeper buys a fan for ₹650 and sells it for ₹540. What is the loss (in ₹)?
8. 8.A watch costs ₹1500. It is sold at a 10% loss. What is the selling price (in ₹)?
9. 9.What is 35% of 1000?
10. 10.A shopkeeper buys a cooler for ₹2700 and sells it for ₹2970. What is the profit (in ₹)?
11. 11.A mobile phone bought for ₹3600 is sold for ₹4140. What is the profit per cent?
12. 12.A fan bought for ₹200 is sold for ₹224. What is the profit per cent?
13. 13.What is 25% of 460?
14. 14.What is the simple interest on ₹5200 at 6% per year for 4 years (in ₹)?
15. 15.The price of a school bag changed from ₹50 to ₹51. What is the percentage increase?
16. 16.What is the simple interest on ₹2900 at 5% per year for 3 years (in ₹)?
17. 17.The price of a bus pass changed from ₹200 to ₹40. What is the percentage decrease?
18. 18.A shopkeeper buys a watch for ₹1950 and sells it for ₹1700. What is the loss (in ₹)?
19. 19.What is 45% of 720?
20. 20.What is the simple interest on ₹1100 at 8% per year for 5 years (in ₹)?
21. 21.A mobile phone costs ₹1400. It is sold at a 25% loss. What is the selling price (in ₹)?
22. 22.A mobile phone costs ₹1800. It is sold at a 10% profit. What is the selling price (in ₹)?
23. 23.A cricket kit bought for ₹2000 is sold for ₹1600. What is the loss per cent?
24. 24.What is the amount (principal + simple interest) on ₹8100 at 9% per year for 5 years (in ₹)?
25. 25.What is 15% of 940?
26. 26.A shopkeeper buys a cooler for ₹2950 and sells it for ₹2700. What is the loss (in ₹)?
27. 27.What is the simple interest on ₹900 at 4% per year for 4 years (in ₹)?
28. 28.A shopkeeper buys a mobile phone for ₹500 and sells it for ₹420. What is the loss (in ₹)?
29. 29.The price of a box of mangoes changed from ₹500 to ₹800. What is the percentage increase?
30. 30.A table costs ₹2900. It is sold at a 12% loss. What is the selling price (in ₹)?
31. 31.The price of a pair of shoes changed from ₹80 to ₹120. What is the percentage increase?
32. 32.What is the amount (principal + simple interest) on ₹900 at 6% per year for 4 years (in ₹)?
33. 33.What is 90% of 160?
34. 34.A shopkeeper buys a cycle for ₹2850 and sells it for ₹2550. What is the loss (in ₹)?
35. 35.The price of a water bottle changed from ₹250 to ₹245. What is the percentage decrease?
36. 36.What is the amount (principal + simple interest) on ₹4800 at 4% per year for 2 years (in ₹)?
37. 37.A shopkeeper buys a watch for ₹1900 and sells it for ₹1710. What is the loss (in ₹)?
38. 38.A shopkeeper buys a sewing machine for ₹350 and sells it for ₹80. What is the loss (in ₹)?
39. 39.What is 35% of 720?
40. 40.A shopkeeper buys a cricket kit for ₹500 and sells it for ₹700. What is the profit (in ₹)?

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