Z, Y, X, W and V are sitting on a sofa facing north. Z is sitting immediately next to Y. X is sitting immediately next to W. V is sitting on the leftmost seat. X is at the second position from the right. Z and X are sitting together. Who is sitting at the middle position?

Z X U W

Z

Answer: Z In this question you need to first fix X and V and then Z and Y. The only place left will be of W