What is the minimum number of different colours required to paint the adjoining figure such that no two adjacent regions have the same colour?

What is the minimum number of different colours required to paint the

1.	What is the minimum number of different colours required to paint the adjoining figure such that no two adjacent regions have the same colour?
A.	3
B.	4
C.	5
D.	6
Answer» B. 4

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What is the minimum number of different colours required to paint the adjoining figure such that no two adjacent regions have the same colour?

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