Four persons A,B,C and D intially at the corners of a square of side of length d. If every person starts moving with same speed v such that each one faces the other always , the person will meet after time

Four persons A,B,C and D intially at the corners of a square of side o

1.	Four persons A,B,C and D intially at the corners of a square of side of length d. If every person starts moving with same speed v such that each one faces the other always , the person will meet after time
Answer» `d/V ` `(sqrt2d)/(v) ` `(d)/(2V)` `(d)/(SQRT2V)` ANSWER :A