Work done by A in one day is half of the work done by B in one day. Wo – McqOptions

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1.	Work done by A in one day is half of the work done by B in one day. Work done by B is half of the work done by C in one day. If C alone can complete the work in 7 days, in how many days can A, B and C together complete the work?
A.	28
B.	14
C.	4
D.	21
Answer» D. 21

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