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In a library system with 6 brances, 60 workers are employed. If no library has fewer than 7 workers and ne more then 11, what is the minimum number of workers in any two of the brances?

A. 16

B. 14

C. 19

D. 10

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সঠিক উত্তরঃ B. 14

Explanation:

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In a library system with 6 brances, 60 workers are employed. If no library has fewer than 7 workers and ne more then 11, what is the minimum number of workers in any two of the brances?