A good brain teaser or riddle can provide hours of entertainment for kids and adults. From math puzzles to word teasers, here are the best ones.

We’ve come up with 20 brand-new riddles for adults to test your critical thinking, mathematics, ... Riddle No. 1: The King’s Orders Make for One Hell of a Brain Teaser ...

Sharpen your mind with this quick Tom and Jerry puzzle. Find 5 hidden differences in just 15 seconds and give your brain a ...

Test your brainpower with this fun visual puzzle! Spot the hidden letter 'S' among the '8's in just 7 seconds if you have an ...

Brain Teasers For Adults: Questions. pixdeluxe/E+/Getty Images. Take me out of a window, and I leave a grieving wife. But stick me in a door, and I can save somebody's life. What am I?

Exercising your brain is as crucial as working out, but very few people think about boosting their brainpower.

Brain Teaser: Are you a true coffee lover? Challenge yourself to find the hidden coffee mug in the wardrobe within 4 seconds. Test your keen eye for detail and see how fast you can spot it!

The holiday-themed brain teaser below came from Bear's Merry Book of Hidden Things, by Hungarian illustrator Gergely Dudás. Hidden among the sea of gift bags is 1 holiday greeting card.

Brain teasers are designed to test your logic. They challenge you to think creatively and explore different perspectives. Not only are they fun to solve, but they also help sharpen your mind and ...