Among the four people Sachin, Sourav, Yuvraj, and Dhoni, Sachin takes three times longer than Sourav to do a work. To complete the same work, Sourav takes three times as long as Yuvraj, and Yuvraj takes three times as long as Dhoni. A group of three out of four people can do the work in 13 days, while another group of three people can do the same work in 31 days. Which is the group that takes 13 days to complete the work?

Among the four people Sachin, Sourav, Yuvraj, and Dhoni, Sachin takes

1.	Among the four people Sachin, Sourav, Yuvraj, and Dhoni, Sachin takes three times longer than Sourav to do a work. To complete the same work, Sourav takes three times as long as Yuvraj, and Yuvraj takes three times as long as Dhoni. A group of three out of four people can do the work in 13 days, while another group of three people can do the same work in 31 days. Which is the group that takes 13 days to complete the work?
A.	Sachin, Yuvraj and Dhoni
B.	Sachin, Sourav and Dhoni
C.	Sachin, Sourav and Yuvraj
D.	Sourav, Yuvraj and Dhoni
Answer» C. Sachin, Sourav and Yuvraj

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