What has a ring but no finger?
Which flower has two lips?
A red house is made out of red bricks. A yellow house is made out of yellow bricks. And, a blue house is made out of blue bricks. So, what is a greenhouse made of?
What has lots of eyes, but can’t see?
I cry without having a voice. I fly without having wings. I bite without having teeth. I whisper without a mouth. Who am I?
An artist while painting a scenic beauty, decides to paint three layers of blue colour on the sky. Which layer will go on the first?
Who always enjoys poor health?
It has horns but can’t beep. It is like to bleat but It is not a sheep. What is it?
Which alphabet letter is a question?
How is a fly different from a mosquito?
John is the son of Jacob. So, Jacob is the_____of John's father?
There is a cryptic organization called Cicada 3301 that posts challenging puzzles online, possibly to recruit codebreakers and linguists.