If 5 Equals 649 !exclusive!

(Note: In many of these viral "IQ Tests," the logic is intentionally obscure or relies on a previous set of equations provided in an image that establishes the pattern.) Why These Puzzles Go Viral Why do we find "If 5 = 649" so compelling?

$$649 - 25 = 624$$ (This doesn't seem like a clean pattern). if 5 equals 649

In these logic puzzles, the "=" sign doesn't mean "is numerically equivalent to." Instead, it functions as a function or a bridge. Usually, the puzzle looks something like this: (Note: In many of these viral "IQ Tests,"

These puzzles are designed for social media. When we solve one, we want to share it to test our friends' intelligence or "humble-brag" about our own logic skills. How to Solve Any "If X = Y" Riddle Usually, the puzzle looks something like this: These