if 30 men completes a job in 15 days working 9 hrs per
day..how much hours per day should 40 men work ??
a ) 35 b)7 1/2 c)30 d) none

Answer Posted / swati

as i assume the time taken to complete the job is not to be
changed while increasing the employees as it does not
clearly states so..........

30 men wrk for 9 hrs
therefore for the work to be done if no of workers is
increases the no of hrs / day to work should decrease so
here s a inverse relation
solving further we get

30 = K /9 ==> K= 270
now

40 = 270/y ==> y= 6.75

therefore ans is d)none

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