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How many minimum number of different colours a painter must use to paint the figure below, so that no two adjacent regions have the same colour ? (figure)
Correct Answer: (b)
Official keyThis question appeared in the CGPSC Prelims 2011 examination (GS). It is Question 128 out of 150 questions in this paper.
This question was part of the CGPSC Prelims 2011 (GS). The CGPSC Prelims examination tests candidates on general studies, current affairs, and aptitude through multiple-choice questions.
Practice previous year questions from all CGPSC Prelims papers and compare patterns with UPSC Prelims PYQ to identify overlapping topics.