a man does a work in 36days. in how many days will9 men do it
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1
1men do in 36days
9men do in 36/9=4days
because of inverse proportion
9men do in 36/9=4days
because of inverse proportion
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3
1man = working in 36 day
9÷ 36= 4days
9man will do it in 4days
9÷ 36= 4days
9man will do it in 4days
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