A time-study specialist has set the production rate for each worker on a certain job at 22units every 3hours. At this rate what is the minimum number of workers that should be put on the job if at least 90units are to be produced per hour?
A. 12
B. 13
C. 18
D. 30
E. None of these
সঠিক উত্তরঃ
B.
13
Explanation:
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