Question

Seven circles are connected with segments, as it is shown in the picture. Amir has
three pencils — red, green, and blue. He wants to paint each circle in one color in
such a way that two circles connected with a segment have different colors. How
many ways does he have to do it?

Answer 1

Answer:

jh CD fgiòjjjjkkkkkiiiiuyfrrrr

Answer 2

Answer:

I think that this is a part of your International Mathematics Olympiad and you are asking the question here. I think this is an unfair means to get the answer. You should try to do it on your own.