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1. On selling 17 balls for Tk 720 , there iss a loss equal to the cost price of 5 balls. The cost price of a ball is --
- A. Tk 45
- B. Tk 45
- C. Tk 45
- D. Tk 45
Answer: Option D
Explanation:
(Cost price of 17 balls) - ( selling price of 17 balls) = ( cost price of 5 balls)
Cost price of 12 balls = selling price of 17 balls = Tk.720
Cost price of 1 ball = Tk 720/12 = Tk.60
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