Answer the questions on the basis of the information given below. A map representing countries R, S, W, X, Y and Z is to be drawn.
Adjacent countries cannot be the same color on the map. The only countries adjacent to each other are as follows :
* R, S, X and Y are each adjacent to W.
* X is adjacent to Y.
*R and S are each adjacent to Z.
Which of the following is a pair of countries that must be different in color from each other?
MCQ Practice ID: 39255
Mental Ability
Which of the following is a pair of countries that must be different in color from each other?
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