1 . A time-study specialist has set the production rate for each worker on a certain job at 22 units every 3 hours. At this rate what is the minimum number of workers that should be put on the job if at least 90 units are to be produced per hour?
- A. 12
- B. 13
- C. 18
- D. 30
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দুর্নীতি দমন কমিশনের সহকারী পরিচালক-১২.০৪.২০১৩
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