A certain number of men can finish a piece of work in 10 days. If however there were 10 men less it will take 10 days more for the work to be finished. How many men were there originally?
(a) 110 men
(b) 130 men
(c) 100 men
(d) none of these
Submitted by: AdministratorWe have 2 equations
n*10 = x and (n-10)*20 = x which gives n=20, where n is number of men to begin with.
Submitted by: Administrator
n*10 = x and (n-10)*20 = x which gives n=20, where n is number of men to begin with.
Submitted by: Administrator
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