Question

Four persons A, B,C and D initially at the
corners of a square of side 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
d
2d d
d
1) 2) 3)
V
2v
V
J2v

Answer 1

Answer:

Four persons K,L,M,N are initially at the four corners of a square of side d. Each person now moves with a uniform speed v in such a way that K always moves directly towards L, L directly towards M, M directly towards N, and N directly towards K.