Leo, Shelly, and Raj can complete a certain job in \(10, 12,\) and \(15\) days respectively. They are assigned to work

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Leo, Shelly, and Raj can complete a certain job in \(10, 12,\) and \(15\) days respectively. They are assigned to work together to complete the job. All of them started the job together. Leo left \(1\) day before, and Raj left \(2\) days before the originally scheduled completion day of the job. In how many days the job gets completed?

A. \(\dfrac{34}5\) days

B. \(\dfrac{48}5\) days

C. \(\dfrac{57}{12}\) days

D. \(\dfrac{66}{15}\) days

E. \(\dfrac{74}{15}\) days

Answer: A

Source: e-GMAT
Source: — Problem Solving |