Men work and time
Level
pending
If 20 men can complete work in 40 days . Then in how many days should 4 men leave so that work can be completed in 48 days ?
The answer is 8.
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1 solution
( Work=Men x Time )
Work complete by 20men x 40days = 800
so that 20xa + 16x(48-a)=800
where, a= day by 20 mans.
By solving this, a=4. Therefore the answer is in 8 days.
Please teach me as this is my first solution.