alleryIf 4 men can do a job in 9 days, how many days will 6 men take?
A8 days
B5 days
C6 days
D7 days
Answer & Solution
Correct answer: C. 6 days
Work units = 4 x 9 = 36 man-days.
Time for 6 men = 36/6 = 6 days.
Inverse proportion between men and time.
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