\(R\) and \(S\) can complete a certain job in 6 and 4 days respectively, while they work individually. What will be the

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\(R\) and \(S\) can complete a certain job in 6 and 4 days respectively, while they work individually. What will be the least number of days they will take to complete the same job if they work on alternate days?

A. 2.2 days
B. 2.67 days
C. 4.4 days
D. 4.67 days
E. 5 days

Answer: D

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