Class 7 Maths Worksheet: Profit and Loss, Simple Interest

Maths worksheets lesson 54: Comparing quantities: percentage, profit and loss, simple interest · Set 448 · 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.A watch costs ₹2400. It is sold at a 40% profit. What is the selling price (in ₹)?
2. 2.The price of a school bag changed from ₹20 to ₹30. What is the percentage increase?
3. 3.What is the simple interest on ₹1500 at 8% per year for 3 years (in ₹)?
4. 4.What is the simple interest on ₹5100 at 8% per year for 1 year (in ₹)?
5. 5.What is the simple interest on ₹4300 at 11% per year for 1 year (in ₹)?
6. 6.A fan costs ₹1500. It is sold at a 20% profit. What is the selling price (in ₹)?
7. 7.What is the amount (principal + simple interest) on ₹2300 at 5% per year for 5 years (in ₹)?
8. 8.A fan bought for ₹1500 is sold for ₹1680. What is the profit per cent?
9. 9.A table costs ₹3300. It is sold at a 10% loss. What is the selling price (in ₹)?
10. 10.A cricket kit costs ₹3100. It is sold at a 50% loss. What is the selling price (in ₹)?
11. 11.A mobile phone costs ₹2700. It is sold at a 30% loss. What is the selling price (in ₹)?
12. 12.What is the simple interest on ₹7400 at 2% per year for 3 years (in ₹)?
13. 13.A fan costs ₹1400. It is sold at a 5% profit. What is the selling price (in ₹)?
14. 14.What is the simple interest on ₹8200 at 3% per year for 1 year (in ₹)?
15. 15.A cooler costs ₹3700. It is sold at a 5% loss. What is the selling price (in ₹)?
16. 16.What is 65% of 520?
17. 17.A shopkeeper buys a cricket kit for ₹500 and sells it for ₹460. What is the loss (in ₹)?
18. 18.What is 40% of 380?
19. 19.A fan bought for ₹2100 is sold for ₹1260. What is the loss per cent?
20. 20.What is the simple interest on ₹3800 at 11% per year for 2 years (in ₹)?
21. 21.A table costs ₹2100. It is sold at a 50% profit. What is the selling price (in ₹)?
22. 22.A watch costs ₹1200. It is sold at a 30% profit. What is the selling price (in ₹)?
23. 23.What is 35% of 1000?
24. 24.A cricket kit costs ₹4000. It is sold at a 5% loss. What is the selling price (in ₹)?
25. 25.What is 90% of 1000?
26. 26.A watch costs ₹3100. It is sold at a 5% profit. What is the selling price (in ₹)?
27. 27.What is the amount (principal + simple interest) on ₹6600 at 4% per year for 1 year (in ₹)?
28. 28.A shopkeeper buys a sewing machine for ₹2000 and sells it for ₹2150. What is the profit (in ₹)?
29. 29.A cycle bought for ₹2100 is sold for ₹1050. What is the loss per cent?
30. 30.What is 5% of 940?
31. 31.A shopkeeper buys a watch for ₹1850 and sells it for ₹1570. What is the loss (in ₹)?
32. 32.A cricket kit costs ₹1200. It is sold at a 25% profit. What is the selling price (in ₹)?
33. 33.The price of a school bag changed from ₹25 to ₹40. What is the percentage increase?
34. 34.A sewing machine bought for ₹4000 is sold for ₹6000. What is the profit per cent?
35. 35.What is the amount (principal + simple interest) on ₹3800 at 12% per year for 1 year (in ₹)?
36. 36.A shopkeeper buys a mobile phone for ₹350 and sells it for ₹500. What is the profit (in ₹)?
37. 37.What is 15% of 320?
38. 38.A cycle bought for ₹1600 is sold for ₹1840. What is the profit per cent?
39. 39.The price of a cricket ball changed from ₹20 to ₹4. What is the percentage decrease?
40. 40.A shopkeeper buys a cooler for ₹250 and sells it for ₹330. What is the profit (in ₹)?

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