Class 7 Maths Worksheet: Profit and Loss, Simple Interest

Maths worksheets lesson 54: Comparing quantities: percentage, profit and loss, simple interest · Set 194 · 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 water bottle changed from ₹100 to ₹50. What is the percentage decrease?
2. 2.What is 25% of 200?
3. 3.What is 30% of 540?
4. 4.A shopkeeper buys a mobile phone for ₹350 and sells it for ₹290. What is the loss (in ₹)?
5. 5.A fan costs ₹1400. It is sold at a 12% profit. What is the selling price (in ₹)?
6. 6.What is the amount (principal + simple interest) on ₹1000 at 9% per year for 1 year (in ₹)?
7. 7.The price of a school bag changed from ₹400 to ₹700. What is the percentage increase?
8. 8.What is 45% of 40?
9. 9.A cycle costs ₹600. It is sold at a 50% loss. What is the selling price (in ₹)?
10. 10.A cycle bought for ₹1300 is sold for ₹1105. What is the loss per cent?
11. 11.A shopkeeper buys a mobile phone for ₹2000 and sells it for ₹1890. What is the loss (in ₹)?
12. 12.A sewing machine bought for ₹3700 is sold for ₹4070. What is the profit per cent?
13. 13.A fan bought for ₹1100 is sold for ₹660. What is the loss per cent?
14. 14.What is the amount (principal + simple interest) on ₹6100 at 6% per year for 4 years (in ₹)?
15. 15.What is the simple interest on ₹6800 at 11% per year for 2 years (in ₹)?
16. 16.A fan bought for ₹1100 is sold for ₹990. What is the loss per cent?
17. 17.A watch bought for ₹1900 is sold for ₹1330. What is the loss per cent?
18. 18.A table costs ₹2700. It is sold at a 50% loss. What is the selling price (in ₹)?
19. 19.What is the simple interest on ₹7900 at 8% per year for 4 years (in ₹)?
20. 20.A shopkeeper buys a cooler for ₹2100 and sells it for ₹2370. What is the profit (in ₹)?
21. 21.The price of a box of mangoes changed from ₹20 to ₹35. What is the percentage increase?
22. 22.The price of a cricket ball changed from ₹500 to ₹450. What is the percentage decrease?
23. 23.What is 70% of 520?
24. 24.The price of a pair of shoes changed from ₹80 to ₹152. What is the percentage increase?
25. 25.A sewing machine costs ₹1900. It is sold at a 5% loss. What is the selling price (in ₹)?
26. 26.A shopkeeper buys a mobile phone for ₹1100 and sells it for ₹1350. What is the profit (in ₹)?
27. 27.What is the simple interest on ₹6500 at 4% per year for 3 years (in ₹)?
28. 28.A cooler bought for ₹3400 is sold for ₹5100. What is the profit per cent?
29. 29.A mobile phone bought for ₹3200 is sold for ₹4800. What is the profit per cent?
30. 30.A fan bought for ₹800 is sold for ₹640. What is the loss per cent?
31. 31.What is 95% of 820?
32. 32.The price of a bus pass changed from ₹50 to ₹80. What is the percentage increase?
33. 33.What is the simple interest on ₹2400 at 9% per year for 4 years (in ₹)?
34. 34.What is the simple interest on ₹3400 at 6% per year for 3 years (in ₹)?
35. 35.The price of a box of mangoes changed from ₹50 to ₹49. What is the percentage decrease?
36. 36.A shopkeeper buys a cooler for ₹2000 and sells it for ₹1970. What is the loss (in ₹)?
37. 37.A watch costs ₹3400. It is sold at a 20% loss. What is the selling price (in ₹)?
38. 38.A sewing machine costs ₹2900. It is sold at a 5% profit. What is the selling price (in ₹)?
39. 39.The price of a pair of shoes changed from ₹250 to ₹375. What is the percentage increase?
40. 40.A mobile phone bought for ₹2500 is sold for ₹3750. What is the profit per cent?

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