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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 / boopathi
m1*d1*h1=m2*d2*h2
30*20*9*60=40*20*h2
5400*60=800*h2
(54*60)/8=h2
ans=9 hrs
| Is This Answer Correct ? | 14 Yes | 65 No |
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