A rectangular wall is divided into four squares of equal size where there are two rows each having two squares. The top left square is colored with green. If, including green, there are three colors available and each square is colored using any one of th

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Q: 21 (CAPF/2023)
A rectangular wall is divided into four squares of equal size where there are two rows each having two squares. The top left square is colored with green. If, including green, there are three colors available and each square is colored using any one of these three colors such that no two adjacent squares get painted with the same color; then how many color combinations are possible?

question_subject: 

General Knowledge

question_exam: 

CAPF

Using combinatorial logic, and coloring scenarios such that no adjacent squares have the same color, we find that four distinct combinations are possible.