50 men work in some 40 days so 20 men take to to complete same work
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Answer:
80 days
Step-by-step explanation:
Let's take the day completed by the men be "x" days
50 men in 20 days
20 men in x days
therefore,
x =20*20 / 50
x = 400 / 50
x = 80 days
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