A ,B and C working separately can do a piece of work in 11 days, 20 da – McqOptions

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1.	A ,B and C working separately can do a piece of work in 11 days, 20 days and 55 days, respectively. in how many days, the work will be completed if A is assisted by B and C on alternate days?
A.	8
B.	2
C.	6
D.	4
Answer» B. 2

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