15 Tricky Riddles That Can Boost Your Brain Power

A few mysterious puzzles have appeared on the Internet since 2012 from an organization called Cicada 3301. They claim that they search for “highly intelligent individuals” from the general public who can solve the riddles, but to this day, no one knows what their ultimate purpose is.
We at Bright Side have a few riddles for you too, but the difference is that we don’t have any major secrets; our goal is just to have fun.
1. How old was he?


2. What is the number inside the third triangle?


3. How many boat rides do they need?


4. Which one is fake?


5. What’s the number on the last card?
There are 5 cards with numbers from 1 to 5.
- The sum of the first 2 cards is 8.
- Cards #2 and #3 add up to 9.
- #3 and #4 add to 5.
- #4 and #5 add to 3.


6. What’s the code?


7. How many triangles are there?


8. Which fruit is more expensive: the banana or the pear?


9. Which button is pushed the most often in the elevator?


10. What is he buying?


11. How is that possible?


12. What is the finding?


13. What are the correct labels?


14. Who’s the odd one?


15. How many kids are there?


How many riddles did you get right?
Bright Side has its own podcasts now. Take cool articles with you and listen to new stories whenever and wherever you want.
Comments
youtyob
Number 11 is wrong. If she was 22 a day before yesterday, then they spoke on 2nd January. Which means she'd be 23 thus year, then 24 the following year. There's no way she'd be 25 next year.
yes you are correct on that I'm pretty sure because it should be that
Related Reads
10 Moments of Wisdom That Prove Compassion and Kindness Can Reach People Lost in Loneliness

17 Office Stories That Prove Every Workplace Has Its Own Unwritten Rules — and Its Own Comedy Show

12 Acts of Kindness That Teach Us Strong Compassion Still Turns Loneliness Into Real Belonging in 2026

10 Moments of Wisdom That Teach Us Tender Kindness and Quiet Compassion Still Lead to Happiness in 2026

10 Family Moments That Teach Us Loneliness Still Meets Its Match

11 Moments That Teach Us Why a Sibling’s Random Act of Kindness Still Saves Us in 2026

10 Workplace Moments That Prove Compassion Is the Secret Behind Great Leadership

12 Moments That Remind Us a Garden Teaches Kindness and Compassion Long Before It Teaches Beauty

12 Moments of Kindness That Prove Humanity Didn’t Lose Its Heart

12 Moments That Inspire Us to Choose Forgiveness and Wisdom, Even When Loneliness Makes It Hard to Trust Again

14 Stories That Show the Unbreakable Bond Between Sisters

11 Acts of Kindness That Teach Us Quiet Compassion Still Heals Even the Loneliest Hearts
