Class 7 Maths Worksheet: Profit and Loss, Simple Interest

Maths worksheets lesson 54: Comparing quantities: percentage, profit and loss, simple interest · Set 553 · 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.What is 75% of 840?
2. 2.A shopkeeper buys a mobile phone for ₹400 and sells it for ₹200. What is the loss (in ₹)?
3. 3.What is the amount (principal + simple interest) on ₹3200 at 5% per year for 3 years (in ₹)?
4. 4.The price of a school bag changed from ₹400 to ₹100. What is the percentage decrease?
5. 5.A shopkeeper buys a mobile phone for ₹2200 and sells it for ₹2310. What is the profit (in ₹)?
6. 6.A shopkeeper buys a sewing machine for ₹2200 and sells it for ₹2350. What is the profit (in ₹)?
7. 7.A table bought for ₹1400 is sold for ₹1330. What is the loss per cent?
8. 8.A mobile phone bought for ₹4000 is sold for ₹3520. What is the loss per cent?
9. 9.The price of a water bottle changed from ₹25 to ₹10. What is the percentage decrease?
10. 10.What is the amount (principal + simple interest) on ₹8600 at 8% per year for 1 year (in ₹)?
11. 11.A shopkeeper buys a cricket kit for ₹1550 and sells it for ₹1460. What is the loss (in ₹)?
12. 12.What is the simple interest on ₹6100 at 5% per year for 1 year (in ₹)?
13. 13.A fan costs ₹500. It is sold at a 40% profit. What is the selling price (in ₹)?
14. 14.What is the amount (principal + simple interest) on ₹3900 at 6% per year for 5 years (in ₹)?
15. 15.What is 95% of 1000?
16. 16.The price of a school bag changed from ₹400 to ₹200. What is the percentage decrease?
17. 17.What is 5% of 580?
18. 18.A shopkeeper buys a watch for ₹400 and sells it for ₹660. What is the profit (in ₹)?
19. 19.What is the simple interest on ₹7100 at 5% per year for 2 years (in ₹)?
20. 20.What is 95% of 260?
21. 21.What is the amount (principal + simple interest) on ₹6700 at 5% per year for 2 years (in ₹)?
22. 22.The price of a pair of shoes changed from ₹400 to ₹520. What is the percentage increase?
23. 23.A mobile phone bought for ₹2200 is sold for ₹2420. What is the profit per cent?
24. 24.What is the amount (principal + simple interest) on ₹3000 at 5% per year for 3 years (in ₹)?
25. 25.A table costs ₹800. It is sold at a 12% profit. What is the selling price (in ₹)?
26. 26.A table costs ₹2700. It is sold at a 5% profit. What is the selling price (in ₹)?
27. 27.What is the simple interest on ₹2900 at 12% per year for 3 years (in ₹)?
28. 28.The price of a water bottle changed from ₹80 to ₹64. What is the percentage decrease?
29. 29.The price of a cricket ball changed from ₹25 to ₹5. What is the percentage decrease?
30. 30.What is the simple interest on ₹3000 at 6% per year for 4 years (in ₹)?
31. 31.What is 90% of 440?
32. 32.What is 35% of 400?
33. 33.A cycle bought for ₹1000 is sold for ₹1050. What is the profit per cent?
34. 34.What is 40% of 240?
35. 35.What is the simple interest on ₹2100 at 2% per year for 3 years (in ₹)?
36. 36.The price of a pair of shoes changed from ₹500 to ₹375. What is the percentage decrease?
37. 37.What is the simple interest on ₹3700 at 12% per year for 4 years (in ₹)?
38. 38.What is 5% of 40?
39. 39.A sewing machine bought for ₹2900 is sold for ₹2030. What is the loss per cent?
40. 40.A shopkeeper buys a sewing machine for ₹500 and sells it for ₹760. What is the profit (in ₹)?

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