In how many days can a work be completed by A, B and C together?

1.	In how many days can a work be completed by A, B and C together?
A.	Only I
B.	Only II
C.	Only III
D.	Anyone of the three
E.	Information in all the three statements is necessary to answer the question.
Answer» F.

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In how many days can a work be completed by A, B and C together?

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