Three persons A, B and C can complete a work in 15, 20 and 30 days respectively. Only two of these three work on any giv

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Q 2306280178.     Three persons A, B and C can complete a work in 15, 20 and 30 days respectively. Only two of these three work on any given day. But, the same two persons do not work on any two consecutive days. What is the least number of days in which the work can be completed?
IBPS-PO 2017 Mock Mains
A

`5 5/6`

B

`9 1/6`

C

`8 6/7`

D

`4 8/13`

E

None of these

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Solution
(Provided By a Student and Checked/Corrected by EXXAMM.com Team)

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