(ABC News)--Police across the country are used to solving puzzles, but one Ohio police department recently got a plea for help from a local girl seeking to solve a puzzle of a more mathematical bent.

The deceptively simple equation that would typically be given to a fifth grader has gone viral after it was shared by user @BholanathDutta on X (formerly Twitter). He posted a photo of the equation ...

If there are nine people in a room and every person shakes hands exactly once with each of the other people, how many handshakes will there be? How can you prove your answer is correct using a model ...

Local police went above and beyond, though there was a slight glitch. — -- Police across the country are used to solving puzzles, but one Ohio police department recently got a plea for help from ...