Four persons P , Q , R & S are initially at the fourcorners of a square of side d .Each person now moves with aconstant speed v in such a way that P always moves directly towardsQ, Q towards R, R towards S & S towards P. The four personswill meet after time 1) d/2v 2) d/v 3) 3d/v 4) They will never meet . Four persons P , Q , R & S are initially at the fourcorners of a square of side d .Each person now moves with aconstant speed v in such a way that P always moves directly towardsQ, Q towards R, R towards S & S towards P. The four personswill meet after time 1) d/2v 2) d/v 3) 3d/v 4) They will never meet .
Explanation / Answer
They will never meet ,because all of them aremoving for the other with same velocity