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1. The selling price of 4 pencils is equal to the purchase price of 5 pencils. What is the profit margin?
- A. 30%
- B. 30%
- C. 30%
- D. 30%
Answer: Option B
Explanation:
Let's say the purchase price of 5 pencil is 1 taka.
Then purchase price of 1 pencil is 1/5 taka and selling price of 1 pencil is 1/4 taka.
Profit margin = {(1/4 - 1/5)/ (1/5)} x 100% = 25%.
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