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

Answer Posted / teja

in both cases work is constant.
M1*T1=M2*T2
30*20*9=40*T2
T2=135 hrs
go to answers
only 9 can divide the 135.
Ans.d

Is This Answer Correct ?    40 Yes 105 No



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