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

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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 |