The puzzle that defies logic. Try to solve this mathematical challenge as quickly as possible.

With over 2,000 shares and a flurry of comments, this puzzle has captured the attention of Internet users. While the math seems simple at first glance, the final result has sparked mixed reactions

Internet users’ hypotheses

The answers vary widely. Here are some popular suggestions:

28: Some people suggest that the answer is 28, following an underlying mathematical logic. But which one?
23 or 77: Others, less convinced, offer these results without always explaining their reasoning.
Confusion and frustration: For some participants, the puzzle is simply too complex. “Too hard to answer,” commented one discouraged Internet user.
Hidden logic: a clue?

The secret of this puzzle may lie in a logical sequence or a manipulation of numbers that escapes the first glance. For example, some puzzles of this type use modified additions or hidden rules to surprise the participants. A careful analysis could reveal a numerical progression or an original equation.

Why are these puzzles fascinating?