my answer is 7.5 (approx 8 because 8 is not in the options)
the number of men and boys is increasing so they will be doing the work in less days, therefore men and boys are at inverse with days (so it is indirect proportion)
having a test tomorrow?
__________________
Striving for success without hard work is like trying to harvest where you never planted.
Last edited by Man Jaanbazam; Tuesday, September 15, 2015 at 12:20 AM.
Reason: merge chain posts
|