Uploaded December 2024 | Updated September 2026, 1 week ago

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a mystery Xmas puzzle

Happy holidays, everyone!! Here we solve a really cute mystery Xmas puzzle that I found on Reddit. The problem is as follows: Suppose you see numbers lined up as follows

6 3 19
5 7 ?
16 2 18
15

What is the mystery number ?

The trick is to think outside the Xmas present box, enjoy :)

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