Thirty men take 20 days to complete a job working 9 hours a
day. How many hour a day should 40 men work to complete the job?
(a) 8 hrs
(b) 7 1/2 hrs
(c) 7 hrs
(d) 9 hrs
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Answer Posted / mastermind00181
No need to worry about it. the work has already been done those 20 persons. So why do u need to do same job ? read the question carefully.
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