Twenty frogs are sitting on a log floating on the surface of a river. Two of them decide to jump off into the water. How many frogs are there on the log at this moment?
Twice ten are six of us, Six are but three of us, Nine are but four of us; What can we possibly be? Would you know more of us? Twelve are but six of us, Five are but four, do you see? What are we?
What is the riddle which can be asked all day with a different correct answer each time.
A new Engineering building containing 100 offices had just been completed. John was hired to paint the numbers 1 to 100 on the doors. How many times will John have to paint the number nine (9)?
John’s parents have three sons: Snap, Crackle, and what’s the name of the third son?
It comprises roots which nobody sees, Much taller than those trees, Up and up it goes, Still it never grows?
Always in you, Sometimes on you; If I surround you, I can kill you. What am I?
How many times can you subtract the number two from the number fifty?
I am looking for a word that change both gender and number when i add the letter 'S'. What Word am I Looking For ?
I am soft and cuddly that soothe your heart. But, If you pick my last name I am going to tear you all apart. Who am I?
I am a seven-letter word but if you remove four of my letters I will have one left. What word am I?
There is a cryptic organization called Cicada 3301 that posts challenging puzzles online, possibly to recruit codebreakers and linguists.