If 10 unskilled workers finish a job in 4 days, how many skilled workers should be hired, who are twice efficient than unskilled workers to finish the job in 2 days.

If 10 unskilled workers finish a job in 4 days, how many skilled worke

1.	If 10 unskilled workers finish a job in 4 days, how many skilled workers should be hired, who are twice efficient than unskilled workers to finish the job in 2 days.
A.	2
B.	12
C.	10
D.	5
Answer» D. 5

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If 10 unskilled workers finish a job in 4 days, how many skilled workers should be hired, who are twice efficient than unskilled workers to finish the job in 2 days.

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