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1. A wholesaler bought 1200 pens/radios for Tk.18 each. He sold 60% of the pens for Tk.30 each and remaining for Tk.15 each. What was his average profit per pen/radio?
- A. Tk.4
- B. Tk.4
- C. Tk.4
- D. Tk.4
Answer: Option B
Explanation:
Cost price = 1200×18 = 21600
Revenue = (60% of 1200)×30 + (40% of 1200)×15 = 21600 + 7200 = 28800
Profit = 28800 - 21600 = 7200
Profit per radio = 7200 / 1200 = 6 TK
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