MBA Exam

One man and six women working together can do a job in 10 days. The same job is done by two men in p days and by eight women in (p+5) days. By what percentage is the efficiency of man greater than that of woman ?

1) 100%
2) 200%
3) 600%
4) 500%

Read Solution (Total 1)

500%

10m+60w = 2mp= 8w*(p+5)
p= (5m+30w)/m = (10m+20w)/8w

solving it, we get
w/m =1/6
m=6w
percentage by which the efficiency of man greater than that of woman = 100*(6w-w)/w=500%
12 years agoHelpfull: Yes(1) No(2)

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