If 51 men can do a piece of work in 34 days then 21 men will complete the same work in how many days
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Answer:
82.57 days
Step-by-step explanation:
Ratio = 51 men : 34 days = 21 men : ? days
It is inverse proportion
So, 21 men will do the work in (51*34)/21 = 82.57 days
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