Among four persons Prince, Queen, Raj and Sashi. Prince takes thrice as much time as Queen , to complete a piece of work. Queen takes thrice as much time as Raj and Raj takes thrice as much time as Sashi to complete the same work. One group of three of the four men can complete the work in 13 days while another group of three can do so in 31 days. Which is the group that takes 13 days?

Options

A. Prince, Queen, Raj
B. Prince, Queen, Sashi
C. Queen, Raj, Sashi
D. Prince, Raj, Sashi

Answer

B