In a grid of 4 squares, if each square contains a different color and one of them is blue, how many colors could be in the other three squares?

Category: Math · Difficulty: easy

Hint: Think about the total number of squares and what can fill them.

Answer

3

Explanation

Since one is blue, the remaining 3 squares can be filled by 3 different colors.

This is an easy math riddle — a good one for children and beginners. The answer is 3.

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