Class 7 Maths Worksheet: Profit and Loss, Simple Interest

Maths worksheets lesson 54: Comparing quantities: percentage, profit and loss, simple interest · Set 592 · 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.What is 45% of 340?
2. 2.The price of a box of mangoes changed from ₹50 to ₹40. What is the percentage decrease?
3. 3.What is 10% of 980?
4. 4.What is the amount (principal + simple interest) on ₹7100 at 3% per year for 2 years (in ₹)?
5. 5.The price of a water bottle changed from ₹50 to ₹51. What is the percentage increase?
6. 6.A shopkeeper buys a fan for ₹250 and sells it for ₹300. What is the profit (in ₹)?
7. 7.A mobile phone costs ₹2000. It is sold at a 50% profit. What is the selling price (in ₹)?
8. 8.The price of a water bottle changed from ₹80 to ₹144. What is the percentage increase?
9. 9.A shopkeeper buys a table for ₹800 and sells it for ₹540. What is the loss (in ₹)?
10. 10.What is 60% of 280?
11. 11.A shopkeeper buys a cycle for ₹950 and sells it for ₹1110. What is the profit (in ₹)?
12. 12.A shopkeeper buys a sewing machine for ₹200 and sells it for ₹290. What is the profit (in ₹)?
13. 13.The price of a bus pass changed from ₹20 to ₹24. What is the percentage increase?
14. 14.A cooler bought for ₹3500 is sold for ₹3850. What is the profit per cent?
15. 15.A cooler bought for ₹3300 is sold for ₹3135. What is the loss per cent?
16. 16.A watch bought for ₹1000 is sold for ₹1200. What is the profit per cent?
17. 17.A cricket kit costs ₹500. It is sold at a 50% profit. What is the selling price (in ₹)?
18. 18.A fan costs ₹2500. It is sold at a 15% loss. What is the selling price (in ₹)?
19. 19.What is 25% of 800?
20. 20.What is the simple interest on ₹5500 at 4% per year for 3 years (in ₹)?
21. 21.What is 80% of 600?
22. 22.A shopkeeper buys a mobile phone for ₹2750 and sells it for ₹2800. What is the profit (in ₹)?
23. 23.What is 75% of 760?
24. 24.What is the simple interest on ₹8400 at 6% per year for 1 year (in ₹)?
25. 25.What is the simple interest on ₹2300 at 9% per year for 4 years (in ₹)?
26. 26.A sewing machine costs ₹3300. It is sold at a 12% profit. What is the selling price (in ₹)?
27. 27.What is 55% of 140?
28. 28.A shopkeeper buys a mobile phone for ₹2350 and sells it for ₹2540. What is the profit (in ₹)?
29. 29.A shopkeeper buys a sewing machine for ₹800 and sells it for ₹1000. What is the profit (in ₹)?
30. 30.A cricket kit costs ₹1000. It is sold at a 15% loss. What is the selling price (in ₹)?
31. 31.A shopkeeper buys a table for ₹1500 and sells it for ₹1630. What is the profit (in ₹)?
32. 32.The price of a pair of shoes changed from ₹250 to ₹150. What is the percentage decrease?
33. 33.What is 80% of 880?
34. 34.A watch costs ₹3800. It is sold at a 5% profit. What is the selling price (in ₹)?
35. 35.The price of a water bottle changed from ₹20 to ₹28. What is the percentage increase?
36. 36.A cricket kit bought for ₹700 is sold for ₹735. What is the profit per cent?
37. 37.A shopkeeper buys a cooler for ₹2250 and sells it for ₹2070. What is the loss (in ₹)?
38. 38.What is the amount (principal + simple interest) on ₹3000 at 3% per year for 5 years (in ₹)?
39. 39.A cycle bought for ₹3400 is sold for ₹2550. What is the loss per cent?
40. 40.What is the simple interest on ₹7600 at 2% per year for 5 years (in ₹)?

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