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1. In company X, the average salary of 10 of the employees is Tk.30000, the average salary of 30 other employees is Tk.40000 and the average salary of the remaining 20 employees Tk.60000. What is the average salary of the 60 employees at the company?
- A. Tk.40000
- B. Tk.40000
- C. Tk.40000
- D. Tk.40000
Answer: Option C
Explanation:
The average salary of 60 employees = (10 x 30000 + 30 x 40000 + 20 x 60000)/60 = 45000.
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