Three friends, Payal, Latika and Megha are at the corners of a rectangular field. At which point should they meet so that the distances they walk to that point is minimized? Payal

(A) Q
(B) P
(C) D
(D) R
Please explain this question
Three friends, Payal, Latika and Megha are at the corners of a rectangular field. At which point should they meet so that the distances they walk to that point is minimized? Payal
(A) Q
(B) P
(C) D
(D) R