36 men can do a piece of work in 12 days. If how many days 9 men can do the same work?
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Answer:
48 days
Step-by-step explanation:
36m=12days
m=12/36= 1/3(efficiency of 1 man)
total work be: 36(1/3)*12= 144
time taken by 9 men be : 9*(1/3)*t =144
3t=144 where t= 48 days
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