This week’s lovely puzzle was brought to my attention by one of our readers, Nicolas Audet. Nicolas says it was used as a brain teaser for a finance job interview. I have to hand it to Wall Street on ...

If you have ever taken an IQ-type test, then you are familiar with “odd-one-out” puzzles. Most such puzzles present figures, images, or symbols in a sequence, with the goal being to spot the one item ...

Picture puzzles are simple puzzles that test your observation skills. They are excellent for improving your concentration and ...