If 12 persons working 12 hours a day dig 12 meters of a tunnel in 12 days how many men are required to dig additional 4 meter of the tunnel (of the same dimension) given that they work 4 hours a day for 4 day?

If 12 persons working 12 hours a day dig 12 meters of a tunnel in 12 d

1.	If 12 persons working 12 hours a day dig 12 meters of a tunnel in 12 days how many men are required to dig additional 4 meter of the tunnel (of the same dimension) given that they work 4 hours a day for 4 day?
A.	27
B.	4
C.	12
D.	36
Answer» E.

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If 12 persons working 12 hours a day dig 12 meters of a tunnel in 12 days how many men are required to dig additional 4 meter of the tunnel (of the same dimension) given that they work 4 hours a day for 4 day?

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