Class 7 Maths Worksheet: Profit and Loss, Simple Interest

Maths worksheets lesson 54: Comparing quantities: percentage, profit and loss, simple interest · Set 16 · 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 mobile phone costs ₹1700. It is sold at a 30% loss. What is the selling price (in ₹)?
2. 2.The price of a box of mangoes changed from ₹200 to ₹50. What is the percentage decrease?
3. 3.A shopkeeper buys a watch for ₹1250 and sells it for ₹1120. What is the loss (in ₹)?
4. 4.What is 90% of 480?
5. 5.A cricket kit bought for ₹300 is sold for ₹180. What is the loss per cent?
6. 6.The price of a bus pass changed from ₹40 to ₹64. What is the percentage increase?
7. 7.A table costs ₹3500. It is sold at a 30% loss. What is the selling price (in ₹)?
8. 8.A watch bought for ₹2300 is sold for ₹2415. What is the profit per cent?
9. 9.The price of a cricket ball changed from ₹40 to ₹20. What is the percentage decrease?
10. 10.A cricket kit costs ₹2300. It is sold at a 50% profit. What is the selling price (in ₹)?
11. 11.What is the simple interest on ₹6300 at 10% per year for 1 year (in ₹)?
12. 12.The price of a box of mangoes changed from ₹40 to ₹76. What is the percentage increase?
13. 13.What is the amount (principal + simple interest) on ₹9300 at 10% per year for 1 year (in ₹)?
14. 14.What is the simple interest on ₹8000 at 6% per year for 4 years (in ₹)?
15. 15.What is the simple interest on ₹9200 at 12% per year for 4 years (in ₹)?
16. 16.The price of a school bag changed from ₹80 to ₹104. What is the percentage increase?
17. 17.A shopkeeper buys a sewing machine for ₹2900 and sells it for ₹2950. What is the profit (in ₹)?
18. 18.A shopkeeper buys a watch for ₹850 and sells it for ₹1030. What is the profit (in ₹)?
19. 19.What is 80% of 740?
20. 20.What is the simple interest on ₹5500 at 6% per year for 1 year (in ₹)?
21. 21.A cycle bought for ₹1600 is sold for ₹1680. What is the profit per cent?
22. 22.What is the amount (principal + simple interest) on ₹4900 at 10% per year for 1 year (in ₹)?
23. 23.A watch costs ₹700. It is sold at a 40% profit. What is the selling price (in ₹)?
24. 24.A cycle bought for ₹2300 is sold for ₹1150. What is the loss per cent?
25. 25.A shopkeeper buys a sewing machine for ₹950 and sells it for ₹980. What is the profit (in ₹)?
26. 26.What is the simple interest on ₹8300 at 3% per year for 4 years (in ₹)?
27. 27.What is the simple interest on ₹9300 at 3% per year for 4 years (in ₹)?
28. 28.A cricket kit bought for ₹1200 is sold for ₹1440. What is the profit per cent?
29. 29.A cycle costs ₹400. It is sold at a 25% loss. What is the selling price (in ₹)?
30. 30.What is the amount (principal + simple interest) on ₹4200 at 4% per year for 1 year (in ₹)?
31. 31.The price of a pair of shoes changed from ₹400 to ₹160. What is the percentage decrease?
32. 32.A shopkeeper buys a fan for ₹700 and sells it for ₹610. What is the loss (in ₹)?
33. 33.What is 85% of 180?
34. 34.What is 10% of 880?
35. 35.What is 5% of 960?
36. 36.The price of a school bag changed from ₹25 to ₹35. What is the percentage increase?
37. 37.A fan costs ₹4000. It is sold at a 50% loss. What is the selling price (in ₹)?
38. 38.A shopkeeper buys a mobile phone for ₹250 and sells it for ₹190. What is the loss (in ₹)?
39. 39.What is 85% of 1000?
40. 40.What is the simple interest on ₹9900 at 3% per year for 1 year (in ₹)?

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