Wipro NLTH Written Test Qs.(Quantitative Aptitude) :: Time and Work - Discussion

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Explanation:
12 men working 2 hours in a day means= 12 * 2hrs = 24hours of work complete in 1day.
Therefore for 10 days= 10 *24hours= 240hours of work done by 12men.
8 men working for 6hours in a day means= 8 *6hours= 48hours of work is completed in 1 day.
Therefore,
= 240/48=5days take to work by 8 men for 6hours in a day.