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1. A trader paid Tk. 300 for a shipment of x identical pens. The trader gave two pens free of cost and sold each for Tk. 5 more than the average cost of the x pens. If the total revenue from the sale of the pens was Tk. 120 more than the cost of the shipment, how many pens were in the shipment?
- A. 20
- B. 20
- C. 20
- D. 20
Answer: Option D
Explanation:
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