20 Brain Teasers That'll Give You a Serious Mental Workout

Keeping an active mind has long been considered an important part of a healthy lifestyle, improving memory and overall brain function, and a great way to do that is with brain teasers. Not only are they a fun and challenging mental exercise that keeps you on your toes, they are also the perfect way to escape the stresses of everyday life. And besides challenging yourself, you can test your friends and family to see who can find the answers the fastest! Keep reading for 20 brain teasers that will seriously punch (and amuse) you and don’t forget to scroll down for the answers.

Brain teasers:

  1. If I hold a bee, what do I have in my eye?
  2. A sundial has the fewest moving parts of any timepiece. Which has the most?
  3. How can 8 + 8 = 4?
  4. If you have me, you want to share me. But if you share me, you don’t have me. What am I?
  5. I am heavy and difficult to pick up, but I am not backwards. What am I?
  6. A cowboy drives into town on Friday, stays for three days, and leaves on Friday. How is this possible?
  7. Turn on my side and I am everything. Cut me in half and I’m nothing. What am I?
  8. You are in a dark room with a candle, a wood stove and a gas lamp. You only have one match, so what do you light first?
  9. A woman is standing on one side of a river, her dog on the other side. There is no bridge. The woman calls her dog, who immediately crosses the river without getting wet. How did the dog do it?
  10. What is unusual about the following words: revive, banana, grammar, voodoo, judging, potato, dresser, uneven?
  11. A coin is in an empty bottle, but a cork is in the neck. How can you remove the coin without removing the cork or breaking the bottle?
  12. What makes this number unique: 8,549,176,320?
  13. What do the following words have in common: Polish, work, spice?
  14. What type of cheese is made backwards?
  15. Before Mount Everest was discovered, what was the tallest mountain in the world?
  16. What can be seen once in a minute, twice in a moment and never in a thousand years?
  17. Which tire does not move when a car turns to the right?
  18. What can travel the world while staying in a corner?
  19. How many months have 28 days.
  20. I have a piggy bank 10 centimeters wide and 5 centimeters long. How many accounts can I put in my empty piggy bank?


  1. Beauty, because “beauty is in the eye of the beholder.”
  2. An hourglass.
  3. If you think in time. 8 hours plus another 8 hours equals 16 hours
  4. A secret.
  5. One ton, which equals 2000 pounds and is spelled backwards, is N-O-T.
  6. His horse’s name is Friday.
  7. The number 8. On its side it looks like an infinite sign. Cut in half, it looks like two zeros.
  8. The match.
  9. The river was frozen.
  10. If you take the first letter of each word and put it at the end, the same word is spelled backward.
  11. Push the cork into the bottle and shake out the mint.
  12. It contains every number, zero through nine, in alphabetical order.
  13. All three words are pronounced differently when the first letter is capitalized.
  14. Edam cheese.
  15. Mount Everest. It was still the tallest in the world, it had not yet been discovered.
  16. The letter m.
  17. The spare wheel.
  18. A stamp.
  19. All 12.
  20. Only one, after which it will no longer be empty.

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