Learn how to multiply any number by 11 instantly with this simple math trick. Perfect for school students to solve problems ...

Put on your thinking cap, and try to answer as many of these trick questions as you can. No peeking at the answers! Skip to main content. A Trusted Friend in a Complicated World. ... A math book. 38.

CEO Jeff Zwelling turns to unique interview questions to get to know job candidates better. Here's one simple, yet tricky, math query he often asks.

Frustrated maths fans were seething at this bizarre question - but the teacher who wrote it has hit back. The trick question about Beethoven's 9th Symphony was trending on Twitter after an alarmed ...