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A time study specialist has set the production rate for each worker on a job at 22 units every three 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?

Created: 7 years ago | Updated: 1 day ago

Updated: 1 day ago

None of these

Mercantile Bank Ltd Mercantile Bank Ltd - Officer - 2006 গণিত সময় ও কাজ (Time and work)

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প্রশ্ন: A time study specialist has set the production rate for each worker on a job at 22 units every three 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?

The rate for each worker can be expressed as 22/7 units per hour.

let, n = the number of workers needed to produce 90 units per hour, and we have:

so, n(22/3) = 90

or, 22n = 270

∴n = 270/22 = 12.2, so there must be at least 13 workers.

ans: 13 workers

7 years ago

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Md Azizur Rahman

FOUNDER OF SATT

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A time study specialist has set the production rate for each worker on a job at 22 units every three 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?

প্রশ্ন: A time study specialist has set the production rate for each worker on a job at 22 units every three 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?

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