Class 7 Maths Worksheet: Profit and Loss, Simple Interest

Maths worksheets lesson 54: Comparing quantities: percentage, profit and loss, simple interest · Set 784 · 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 the amount (principal + simple interest) on ₹7100 at 8% per year for 3 years (in ₹)?
2. 2.The price of a water bottle changed from ₹50 to ₹95. What is the percentage increase?
3. 3.The price of a pair of shoes changed from ₹80 to ₹76. What is the percentage decrease?
4. 4.A shopkeeper buys a fan for ₹350 and sells it for ₹190. What is the loss (in ₹)?
5. 5.The price of a pair of shoes changed from ₹20 to ₹15. What is the percentage decrease?
6. 6.The price of a school bag changed from ₹20 to ₹26. What is the percentage increase?
7. 7.What is 30% of 860?
8. 8.What is the simple interest on ₹2400 at 7% per year for 3 years (in ₹)?
9. 9.What is 15% of 640?
10. 10.What is the simple interest on ₹2500 at 5% per year for 5 years (in ₹)?
11. 11.A shopkeeper buys a cooler for ₹2800 and sells it for ₹2750. What is the loss (in ₹)?
12. 12.What is 15% of 240?
13. 13.A shopkeeper buys a mobile phone for ₹1450 and sells it for ₹1390. What is the loss (in ₹)?
14. 14.What is 15% of 80?
15. 15.A table bought for ₹600 is sold for ₹840. What is the profit per cent?
16. 16.What is the amount (principal + simple interest) on ₹4400 at 2% per year for 3 years (in ₹)?
17. 17.What is the amount (principal + simple interest) on ₹5200 at 5% per year for 5 years (in ₹)?
18. 18.What is the amount (principal + simple interest) on ₹2300 at 3% per year for 2 years (in ₹)?
19. 19.The price of a box of mangoes changed from ₹40 to ₹20. What is the percentage decrease?
20. 20.A shopkeeper buys a watch for ₹1800 and sells it for ₹1740. What is the loss (in ₹)?
21. 21.What is 45% of 680?
22. 22.The price of a water bottle changed from ₹25 to ₹40. What is the percentage increase?
23. 23.A fan bought for ₹1600 is sold for ₹1520. What is the loss per cent?
24. 24.What is the simple interest on ₹600 at 4% per year for 3 years (in ₹)?
25. 25.What is the simple interest on ₹6900 at 2% per year for 1 year (in ₹)?
26. 26.The price of a pair of shoes changed from ₹80 to ₹100. What is the percentage increase?
27. 27.A table costs ₹1500. It is sold at a 40% loss. What is the selling price (in ₹)?
28. 28.What is 70% of 40?
29. 29.A watch bought for ₹1200 is sold for ₹1680. What is the profit per cent?
30. 30.A watch bought for ₹200 is sold for ₹100. What is the loss per cent?
31. 31.What is 60% of 500?
32. 32.The price of a school bag changed from ₹80 to ₹88. What is the percentage increase?
33. 33.The price of a box of mangoes changed from ₹400 to ₹320. What is the percentage decrease?
34. 34.The price of a school bag changed from ₹50 to ₹49. What is the percentage decrease?
35. 35.What is 15% of 880?
36. 36.What is 85% of 880?
37. 37.What is the amount (principal + simple interest) on ₹8400 at 7% per year for 5 years (in ₹)?
38. 38.A fan bought for ₹2000 is sold for ₹2300. What is the profit per cent?
39. 39.A shopkeeper buys a mobile phone for ₹200 and sells it for ₹70. What is the loss (in ₹)?
40. 40.A cricket kit costs ₹2100. It is sold at a 20% loss. What is the selling price (in ₹)?

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