a certain number of men complete a piece of work in 20 days. if 2 men were excluded it would take 4 days more to complete. how many days men originally work here
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Answer:
24/20=x/x-2=12
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Given : a certain number of men complete a piece of work in 20 days
2 men were excluded it would take 4 days more to complete.
To Find : how many men originally were
Solution:
Let say Number of Men = M
Complete work in 20 Days
Hence Work = 20M Man Days
2 men were excluded => Men = M -2
Take 4 days more => Days = 20 + 4 = 24 Days
Work Done = 24(M - 2) Man Days
Equate Work
=> 24(M - 2) = 20M
=> 24M - 48 = 20M
=> 4M = 48
=> M = 12
12 Men
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