number puzzle question

9 + 3 + 0 = 0
1 + 2 + 5 = 10
2 + 4 + 7 = 56
3 + 9 + 1 = ?

Which is the correct answer for this number puzzle? You can put your answer to the comment section below.

created by zbynny

Brain teaser - Number And Math Puzzle - number puzzle question - 9 + 3 + 0 = 0
1 + 2 + 5 = 10
2 + 4 + 7 = 56
3 + 9 + 1 = ?

Which is the correct answer for this number puzzle? You can put your answer to the comment section below.

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