Question 67

If 12 men can do a job in 7 days, what fraction of the job can be done by one man in one day?

Solution

In work questions :
$$\frac{MD}{W}$$ is constant
Now we get :
$$\frac{12}{W}\times\ 7=\frac{1\times\ 1}{W^'}$$
we get W' =W/84

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