If 10 persons can do a job in 20 days. Then 20 persons with the twice efficiency can do the same job in:

If 10 persons can do a job in 20 days. Then 20 persons with the twice

1.	If 10 persons can do a job in 20 days. Then 20 persons with the twice efficiency can do the same job in:
A.	15
B.	10
C.	5
D.	20
Answer» D. 20

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If 10 persons can do a job in 20 days. Then 20 persons with the twice efficiency can do the same job in:

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