Question Details

Question No: 13

In the figure below, there are 4 distinct dots A, B, C, and D, joined by edges. Each dot is to be colored either red, blue, green, or yellow. No two dots joined by an edge are to be colored with the same color. How many completed colorings are possible? Fig. image link: https://wiki-images.artofproblemsolving.com//6/69/Usc93.19.PNG

Answer must be a floating-point or integer value and precision error less than 10^-6 is allowed.