What is the fewest number of coins that would be required in order to make sure each and every coin touches exactly three other coins?

John’s parents have three sons: Snap, Crackle, and what’s the name of the third son?

What is the largest number you can write with just 3 digits?

A mathematician couple was having a Frappuccino in Starbucks sitting opposite to each other. Suddenly the guy noticed the text written on the paper in front of them and exclaimed that it was wrong. The girl denied it and said it is appropriate. Both are correct. What is written on the paper?

What has 13 hearts but no other organs?

Rearrange the letters in "new door" to make one word.

A king sentenced a man to the death sentence for some crime he had committed. Known for his kindness, the king told the culprit that he had a choice to die in a way he decides.

The culprit was clever and said something that saved him from death. What method do you think he must have chosen for his death?

I guess 76.8% of readers will like this riddle.

What's the least number of people should read this post?

You see a boat filled with people, yet there isn’t a single person on board. How is that possible?

What is a word made up of 4 letters, yet is also made up of 3. Sometimes is written with 9 letters, and then with 4. Rarely consists of 6, and never is written with 5.