Class 7 Maths Worksheet: Profit and Loss, Simple Interest

Maths worksheets lesson 54: Comparing quantities: percentage, profit and loss, simple interest · Set 213 · 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 shopkeeper buys a watch for ₹1100 and sells it for ₹1360. What is the profit (in ₹)?
2. 2.A shopkeeper buys a sewing machine for ₹800 and sells it for ₹650. What is the loss (in ₹)?
3. 3.What is 45% of 300?
4. 4.What is 20% of 60?
5. 5.What is 40% of 620?
6. 6.A shopkeeper buys a cycle for ₹1450 and sells it for ₹1610. What is the profit (in ₹)?
7. 7.What is the simple interest on ₹4300 at 4% per year for 4 years (in ₹)?
8. 8.What is the amount (principal + simple interest) on ₹4200 at 12% per year for 1 year (in ₹)?
9. 9.The price of a box of mangoes changed from ₹400 to ₹420. What is the percentage increase?
10. 10.The price of a school bag changed from ₹50 to ₹70. What is the percentage increase?
11. 11.The price of a box of mangoes changed from ₹200 to ₹202. What is the percentage increase?
12. 12.What is the simple interest on ₹8800 at 9% per year for 2 years (in ₹)?
13. 13.What is 85% of 80?
14. 14.What is 65% of 460?
15. 15.A mobile phone costs ₹1600. It is sold at a 20% profit. What is the selling price (in ₹)?
16. 16.What is 80% of 720?
17. 17.What is 80% of 660?
18. 18.A table costs ₹1000. It is sold at a 12% loss. What is the selling price (in ₹)?
19. 19.The price of a cricket ball changed from ₹200 to ₹198. What is the percentage decrease?
20. 20.A shopkeeper buys a cycle for ₹200 and sells it for ₹290. What is the profit (in ₹)?
21. 21.A shopkeeper buys a cooler for ₹2750 and sells it for ₹2530. What is the loss (in ₹)?
22. 22.What is the amount (principal + simple interest) on ₹6200 at 3% per year for 4 years (in ₹)?
23. 23.What is the amount (principal + simple interest) on ₹900 at 10% per year for 5 years (in ₹)?
24. 24.The price of a cricket ball changed from ₹250 to ₹125. What is the percentage decrease?
25. 25.What is the amount (principal + simple interest) on ₹4200 at 3% per year for 4 years (in ₹)?
26. 26.What is 65% of 520?
27. 27.A shopkeeper buys a watch for ₹2700 and sells it for ₹2400. What is the loss (in ₹)?
28. 28.A watch costs ₹1700. It is sold at a 12% profit. What is the selling price (in ₹)?
29. 29.The price of a bus pass changed from ₹20 to ₹30. What is the percentage increase?
30. 30.The price of a cricket ball changed from ₹200 to ₹80. What is the percentage decrease?
31. 31.A cooler costs ₹3300. It is sold at a 15% profit. What is the selling price (in ₹)?
32. 32.What is the simple interest on ₹9700 at 11% per year for 5 years (in ₹)?
33. 33.A sewing machine bought for ₹700 is sold for ₹1050. What is the profit per cent?
34. 34.A watch bought for ₹700 is sold for ₹784. What is the profit per cent?
35. 35.A shopkeeper buys a cycle for ₹600 and sells it for ₹570. What is the loss (in ₹)?
36. 36.A fan costs ₹800. It is sold at a 30% profit. What is the selling price (in ₹)?
37. 37.What is the amount (principal + simple interest) on ₹9500 at 7% per year for 2 years (in ₹)?
38. 38.What is the simple interest on ₹4900 at 3% per year for 3 years (in ₹)?
39. 39.A shopkeeper buys a cooler for ₹1250 and sells it for ₹990. What is the loss (in ₹)?
40. 40.A cricket kit bought for ₹900 is sold for ₹765. What is the loss per cent?

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