Class 7 Maths Worksheet: Profit and Loss, Simple Interest

Maths worksheets lesson 54: Comparing quantities: percentage, profit and loss, simple interest · Set 439 · 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 school bag changed from ₹50 to ₹70. What is the percentage increase?
2. 2.A watch bought for ₹1300 is sold for ₹1235. What is the loss per cent?
3. 3.What is the simple interest on ₹2400 at 11% per year for 3 years (in ₹)?
4. 4.What is the simple interest on ₹5300 at 3% per year for 2 years (in ₹)?
5. 5.What is the simple interest on ₹1200 at 12% per year for 4 years (in ₹)?
6. 6.A fan costs ₹1400. It is sold at a 50% loss. What is the selling price (in ₹)?
7. 7.What is 25% of 920?
8. 8.A cricket kit bought for ₹1200 is sold for ₹1440. What is the profit per cent?
9. 9.A shopkeeper buys a sewing machine for ₹1900 and sells it for ₹2170. What is the profit (in ₹)?
10. 10.A shopkeeper buys a watch for ₹950 and sells it for ₹760. What is the loss (in ₹)?
11. 11.A shopkeeper buys a mobile phone for ₹350 and sells it for ₹590. What is the profit (in ₹)?
12. 12.A table costs ₹900. It is sold at a 30% loss. What is the selling price (in ₹)?
13. 13.What is the amount (principal + simple interest) on ₹7200 at 6% per year for 5 years (in ₹)?
14. 14.A cycle bought for ₹800 is sold for ₹840. What is the profit per cent?
15. 15.The price of a cricket ball changed from ₹80 to ₹48. What is the percentage decrease?
16. 16.A cooler bought for ₹3400 is sold for ₹4250. What is the profit per cent?
17. 17.What is the simple interest on ₹3000 at 11% per year for 1 year (in ₹)?
18. 18.What is 70% of 580?
19. 19.A mobile phone bought for ₹3100 is sold for ₹2480. What is the loss per cent?
20. 20.What is the amount (principal + simple interest) on ₹1500 at 12% per year for 1 year (in ₹)?
21. 21.A shopkeeper buys a fan for ₹1500 and sells it for ₹1280. What is the loss (in ₹)?
22. 22.A shopkeeper buys a sewing machine for ₹1950 and sells it for ₹1870. What is the loss (in ₹)?
23. 23.What is the amount (principal + simple interest) on ₹8400 at 9% per year for 2 years (in ₹)?
24. 24.What is the amount (principal + simple interest) on ₹4900 at 5% per year for 4 years (in ₹)?
25. 25.What is the simple interest on ₹7300 at 3% per year for 2 years (in ₹)?
26. 26.A shopkeeper buys a mobile phone for ₹1600 and sells it for ₹1700. What is the profit (in ₹)?
27. 27.A cycle bought for ₹800 is sold for ₹480. What is the loss per cent?
28. 28.What is the amount (principal + simple interest) on ₹6100 at 6% per year for 4 years (in ₹)?
29. 29.A shopkeeper buys a watch for ₹2650 and sells it for ₹2940. What is the profit (in ₹)?
30. 30.What is 30% of 880?
31. 31.What is the amount (principal + simple interest) on ₹3000 at 3% per year for 1 year (in ₹)?
32. 32.A shopkeeper buys a table for ₹1050 and sells it for ₹860. What is the loss (in ₹)?
33. 33.What is 60% of 560?
34. 34.A mobile phone costs ₹1000. It is sold at a 5% profit. What is the selling price (in ₹)?
35. 35.A shopkeeper buys a cooler for ₹2550 and sells it for ₹2540. What is the loss (in ₹)?
36. 36.A shopkeeper buys a cricket kit for ₹600 and sells it for ₹410. What is the loss (in ₹)?
37. 37.What is the amount (principal + simple interest) on ₹3000 at 2% per year for 1 year (in ₹)?
38. 38.What is the simple interest on ₹9000 at 8% per year for 4 years (in ₹)?
39. 39.What is 40% of 200?
40. 40.A mobile phone costs ₹2100. It is sold at a 5% loss. What is the selling price (in ₹)?

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