Question

6 man can do a work in 7 days then in how many days 21 man can do work​

Answer 1

Answer:

3.3

Step-by-step explanation:

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Answer 2

Step-by-step explanation:

x= men req. y= hrs req.

Hence; x*y=k ……. Where k is const.

To find k …put x=6; y=7…..(given)

Hence we get; k=6*7=42

For x=21; 21*y=42

We get y=2

Hence, no. Of days days required for 21 men to complete the task is 2.