A map representing countries R, S, W, X, Y and Z is to be drawn. Adjacent countries cannot be of the same color on the map. The 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?
A. R and X
B. S and X
C. S and Z
D. X and Z
E. None of these
DUIBAমানসিক দক্ষতা(IQ)বিশ্লেষণমুলক ও সিদ্ধান্ত গ্রহণের ক্ষমতাIQ-3 (Topic Practice)DU - ⚡ অনলাইন প্রশ্নব্যাংক দেখুন 💥
Explanation: R, S, X, Y প্রত্যেকে W এর সংলগ্ন। X, Y এর সংলগ্ন। R ও S দুটোই Z এর সংলগ্ন। S ও Z পরস্পর সংলগ্ন। সুতরাং অবশ্যই different color হবে।
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