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The mean monthly salary paid to 75 workers in a factory is Rs. 5680. The mean salary of 25 of them is Rs. 5400 and that of 30 others is Rs. 5700. The mean salary of the remaining workers is-
- A. Rs. 5000
- B. Rs. 6000
- C. Rs. 7000
- D. Rs. 8000
Answer: Option B
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