The Human Brain is a fascinating creation, the main hard drive controlling the operation of our entire body.  It’s complicated web neurons and electrical energy are difficult to understand at best, captivating the attention of scientists and medical professionals alike.

While they are still trying to understand the inner operations of this elaborate network, they have agreed that there are steps that we can take to improve our memory and possibly fight off dementia and Alzheimer’s disease. One of these steps includes treating the brain as you would any other muscle in the body and actively ‘working it out’ through the use of puzzles and riddles.

In an article for Everyday Health, Linda Melone explained that “just as weight workouts add lean muscle to your body and help you retain more muscle in your later years, researchers now believe that following a brain-healthy lifestyle and performing regular, targeted brain exercises can also increase your brain’s cognitive reserve.”

Ready to take the first step? Here are 15 short riddles to challenge your friends and exercise your brain:

Hint: Some of these are far simpler than you will likely believe at first glance!

1.A businessman bought some apples for $5 and sold 3 of them. Sometime later, he became a millionaire. How is this possible?

2. Which came first: The chicken or the egg?

3. Two men tried to cross a river in a boat that was able to transport only one person. However, both successfully crossed the river. How is this possible?

4. Can you drop an egg on a concrete floor and not break it?

5. A prisoner planned to escape from a prison located on an island, but he couldn’t swim. One day he nevertheless managed without using any tools. How?

6. When I was 4 years old my brother was half my age. now I am 18. How old is my brother?

7. How can a pocket be empty but still have something that’s in it?

8. Anna’s mother has three kids, two of whom are called Faith and Natasha. What’s the name of her third child?

9. The more you take, the more of it remains. What are we referring to?

10. What word becomes shorter when you add letters to it?

11. A man sits at night in a dark room, which isn’t illuminated by a lamp, a torch, a bulb or moonlight. He’s reading a book. How is this possible?

12. What comes once in a minute, twice in a moment, but never in a thousand years?

13. On the way to the city, I passed a man and two women. Each woman was carrying a pet carrier with a cat. Each cat had 4 kittens. How many legs were on those going to the city?

14. I am bought for food, but I’m never eaten. What am I?

15. Laura is standing behind Katy, and Katy is standing behind Laura. How is this possible?


Source: Udemy


  1. He was a billionaire.
  2. The egg! Dinosaurs laid eggs long before chickens appeared.
  3. They were on different banks.
  4. Yes! It’s difficult to break a concrete floor with an egg.
  5. He did it in the winter when the water had been frozen over.
  6. He is 16.
  7. It can have a hole in it.
  8. Her name is Anna.
  9. Fingerprints
  10. Short (you just added ‘er’).
  11. He’s reading a book written in braille.
  12. The letter ‘M’
  13. Two! I was going there and the others were all leaving.
  14. A plate.
  15. They are standing back to back.

Leave a Reply