Math is not everyone’s favorite, understandably. Hours of math homework and difficult equations can make anyone sour on the subject. But when math problems are outside of a school setting, there’s no ...

The following is adapted from the introduction to “The Riddler: Fantastic Puzzles from FiveThirtyEight,” published by W. W. Norton & Co. It is in stores today! The world’s oldest collection of math ...

You’ve no doubt seen some version of this viral math problem making the rounds on Facebook, Reddit or X (though we’ve given ...

Imagine someone handing you a scrap of net from a basketball hoop, with knotted red cord attached to the netting, and telling you this bit of string is a clue in a puzzle. How quickly — if ever — ...

The optional hint tells you how many segments can be broken. Your task is to then find which ones. Did Time Tick Slower for a Woman Who Spent 500 Days Alone in a Cave?

First, we will understand that in this ball series puzzle, the digits are represented in binary format where a ball is 1 and a ring is 0. As you may notice that figures (b) and (c) have already once ...

Add the RHS of the previous line to the LHS of the next line. Start reading in an anti-clockwise direction from the top of each triangle. In the first triangle, the largest factor of 9 is 3, then the ...

From Quanta Magazine (find original story here). Most of the important discoveries in mathematics take place after decades or centuries of effort. If you want to attack the biggest problems, you’ll ...

This as-told-to essay is based on a conversation with Felicia Tang, chief of staff at startup Exa. It has been edited for length and clarity. San Francisco is a super competitive job market, ...