20 men can construct a building in 40 days. How long will it take 10 men to do this work?
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Step-by-step explanation:
20 men can construct a building in 40 day
1"""""""""""""""""""""""""""""""""""""""""""=40/20
10" " "=40/20×10=20 ans.
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20 days will be taken by 10 men to do this work.
Step-by-step explanation:
Given that, 20 men can construct a building in 40 days. It is required to find how long will it take 10 men to do this work. It is based on unitary method. It is calculated as :
20 men = 40 days
1 man = (40/20) days
or
1 man = 2 days
For 10 men, number of days will be :
10 men = 2 × 10 = 20 days
So, 20 days will be taken by 10 men to do this work.
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20 men can construct a building in 40 days. How long will it take 10 men to do this work?
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