Bright Side prepared 12 riddles of varying complexity that will help you both train your brain and entertain yourself.
12. Can you spot the difference in 2 seconds?
![](https://wl-brightside.cf.tsp.li/resize/728x/jpg/cc8/8c6/a61e575026933cbdac147e8134.jpg)
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![](https://wl-brightside.cf.tsp.li/resize/728x/jpg/dc5/cd7/eba0de58b493c455dfe565fd15.jpg)
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11. You have 3 matchsticks. How will you convert them into a number 6? Don’t break them into pieces!
![](https://wl-brightside.cf.tsp.li/resize/728x/jpg/72a/6ec/a3ef0f54ce9a65126b642d9a6c.jpg)
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![](https://wl-brightside.cf.tsp.li/resize/728x/jpg/3f0/aa0/13ad4c5a8dac04bde715b1e9dd.jpg)
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10. What number should replace the question mark?
![](https://wl-brightside.cf.tsp.li/resize/728x/jpg/870/22e/927a4e5dd68d8d645ec60ffe3f.jpg)
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![](https://wl-brightside.cf.tsp.li/resize/728x/jpg/cfc/2b7/e1eb665a188277bc6641d71e6d.jpg)
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9. Find the number 2017:
![](https://wl-brightside.cf.tsp.li/resize/728x/jpg/8ed/d81/2abc165169b2caa78eb7d1212a.jpg)
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![](https://wl-brightside.cf.tsp.li/resize/728x/jpg/a50/3fb/a901695238bddbdbebc71dc3ab.jpg)
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8.
![](https://wl-brightside.cf.tsp.li/resize/728x/jpg/d4c/ce6/ab1d6b50dd84cec64f18418743.jpg)
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![](https://wl-brightside.cf.tsp.li/resize/728x/jpg/c8d/628/08ce2d524b952e981eacc36735.jpg)
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7. How can you get two 100s from the number in the picture using only one line?
![](https://wl-brightside.cf.tsp.li/resize/728x/jpg/372/3a6/891cbf58f4aaf31bf8b5f8f07d.jpg)
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![](https://wl-brightside.cf.tsp.li/resize/728x/jpg/b24/87a/9634e65591b2cd2648e365d2aa.jpg)
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6. Replace 5 out of 12 numbers with 0 so that the total of these numbers will be 1,111.
![](https://wl-brightside.cf.tsp.li/resize/728x/jpg/7a6/ed8/5f90765e16ae1d34a7cd2dfd46.jpg)
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![](https://wl-brightside.cf.tsp.li/resize/728x/jpg/2f0/a53/0015f659319a5366e858c54545.jpg)
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5.
![](https://wl-brightside.cf.tsp.li/resize/728x/jpg/4bd/cd5/5544ed572babf9c595d7bd81a9.jpg)
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![](https://wl-brightside.cf.tsp.li/resize/728x/jpg/d14/f97/1064e25b03b32f4fef8847b14c.jpg)
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4. There are 3 ’horizontal’ and 1 ’vertical’ equation in this picture. Can you replace the numbers so that all 4 examples have the correct solution?
![](https://wl-brightside.cf.tsp.li/resize/728x/jpg/6be/9ca/dcbf1f50108cea161f0f380497.jpg)
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![](https://wl-brightside.cf.tsp.li/resize/728x/jpg/847/351/376b125c23b9ba45cf9d65b0dc.jpg)
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3. The figure below that has 30 big and small squares needs to be turned into a figure that has no squares by pulling out 9 matchsticks.
![](https://wl-brightside.cf.tsp.li/resize/728x/jpg/f95/8c6/c6ce8f558aabd41156e52a9a62.jpg)
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![](https://wl-brightside.cf.tsp.li/resize/728x/jpg/449/6c7/b61f0c5b878571cc08c24fa842.jpg)
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2. Try to solve the riddle of Bernard Werber (hint: you should forget everything you know).
![](https://wl-brightside.cf.tsp.li/resize/728x/jpg/267/10e/d7080f5d81b7d2ea7eaed39b39.jpg)
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![](https://wl-brightside.cf.tsp.li/resize/728x/jpg/7c4/e42/af84985e0b8edf54dbbf8a91bf.jpg)
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1. One man was 25 years old in 2000 and 20 years old in 2005. How is that possible?
![](https://wl-brightside.cf.tsp.li/resize/728x/jpg/0ea/087/fe0a1d5f569a000f84bcbda483.jpg)
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![](https://wl-brightside.cf.tsp.li/resize/728x/jpg/6b2/78a/e387e5533d8d33bb406417d567.jpg)
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How many of these riddles did you manage to solve? Please share your result in the comments!