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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 / nimo
i believe that 30 men ---20days
9 hr/day
40 men--- 20 days
x hr/day
there fore 30*9 = 40*x
x= 6.75 which is more like 6 hrs 75 mins
which is not applicable , therefore
its 7 hrs 15 mins ( 7 1/2 app ) to
be in the safe side.
| Is This Answer Correct ? | 9 Yes | 4 No |
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