Class 7 Maths Worksheet: Profit and Loss, Simple Interest

Maths worksheets lesson 54: Comparing quantities: percentage, profit and loss, simple interest · Set 117 · 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 ₹500 to ₹250. What is the percentage decrease?
2. 2.A cricket kit costs ₹2400. It is sold at a 25% loss. What is the selling price (in ₹)?
3. 3.What is 80% of 260?
4. 4.A shopkeeper buys a cooler for ₹450 and sells it for ₹580. What is the profit (in ₹)?
5. 5.The price of a school bag changed from ₹500 to ₹800. What is the percentage increase?
6. 6.What is the simple interest on ₹7300 at 7% per year for 3 years (in ₹)?
7. 7.What is the amount (principal + simple interest) on ₹7700 at 6% per year for 2 years (in ₹)?
8. 8.What is the simple interest on ₹7200 at 9% per year for 1 year (in ₹)?
9. 9.What is the simple interest on ₹700 at 8% per year for 1 year (in ₹)?
10. 10.What is the simple interest on ₹6200 at 8% per year for 2 years (in ₹)?
11. 11.A shopkeeper buys a cooler for ₹2900 and sells it for ₹3200. What is the profit (in ₹)?
12. 12.The price of a bus pass changed from ₹400 to ₹80. What is the percentage decrease?
13. 13.What is the simple interest on ₹6700 at 3% per year for 1 year (in ₹)?
14. 14.The price of a pair of shoes changed from ₹50 to ₹10. What is the percentage decrease?
15. 15.A shopkeeper buys a fan for ₹2800 and sells it for ₹2670. What is the loss (in ₹)?
16. 16.A sewing machine costs ₹1000. It is sold at a 10% profit. What is the selling price (in ₹)?
17. 17.What is 90% of 960?
18. 18.What is the simple interest on ₹3900 at 3% per year for 1 year (in ₹)?
19. 19.What is 95% of 120?
20. 20.What is the simple interest on ₹2900 at 4% per year for 5 years (in ₹)?
21. 21.The price of a pair of shoes changed from ₹250 to ₹350. What is the percentage increase?
22. 22.A fan costs ₹1400. It is sold at a 20% profit. What is the selling price (in ₹)?
23. 23.A shopkeeper buys a watch for ₹1200 and sells it for ₹1480. What is the profit (in ₹)?
24. 24.A cooler bought for ₹3500 is sold for ₹3325. What is the loss per cent?
25. 25.A cricket kit bought for ₹1100 is sold for ₹990. What is the loss per cent?
26. 26.What is 85% of 160?
27. 27.A watch costs ₹1500. It is sold at a 5% loss. What is the selling price (in ₹)?
28. 28.A shopkeeper buys a cricket kit for ₹2900 and sells it for ₹2960. What is the profit (in ₹)?
29. 29.What is 10% of 780?
30. 30.What is 65% of 380?
31. 31.A cricket kit bought for ₹3500 is sold for ₹5250. What is the profit per cent?
32. 32.What is 85% of 40?
33. 33.A shopkeeper buys a mobile phone for ₹2900 and sells it for ₹2790. What is the loss (in ₹)?
34. 34.A cycle bought for ₹800 is sold for ₹640. What is the loss per cent?
35. 35.What is 80% of 580?
36. 36.A cycle bought for ₹2900 is sold for ₹1740. What is the loss per cent?
37. 37.A fan costs ₹3000. It is sold at a 50% loss. What is the selling price (in ₹)?
38. 38.A cooler bought for ₹2400 is sold for ₹1440. What is the loss per cent?
39. 39.What is 80% of 500?
40. 40.A cycle costs ₹3300. It is sold at a 40% loss. What is the selling price (in ₹)?

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