Logical Math Riddles for Class 9: There’s no better workout for the brain than an intricate question. Have you ever noticed yourself spending hours scratching your head on a riddle, brain teaser or a ...

You can probably think of a time when you’ve used math to solve an everyday problem, such as calculating a tip at a restaurant or determining the square footage of a room. But what role does math play ...

Gear-obsessed editors choose every product we review. We may earn commission if you buy from a link. Why Trust Us? A mathematician may have just proved the impossible possible. For 30 years, ...

If two players start with a pile of 13 stones and take turns removing one, two or three, how can a player make sure she wins by taking the last stone? How to win at the game of Nim was by far the ...

We prove that if $f(x)=\sum _{k=0}^{n-1}a_{k}x^{k}$ is a polynomial with no cyclotomic factors whose coefficients satisfy $a_{k}$ ≡ 1 mod 2 for 0 ≤ k < n, then ...