I am quite hot but become too cold if you remove the first two letters. What am I?
What can run but never walk, have a mouth that never speaks, have a head that never weeps, and have a bed but never sleeps?
Is the statement valid that it does not matter how much older a sibling is, eventually the younger one will be half as old as the older one?
What does an Island and the letter T have in common?
What animal walks on four legs in the morning, two legs during the day, and three legs in the evening? Oedipus, the king of Thebes, figured out the answer to the riddle:
Why did the Girl throw the butter out of the window?
All of Jacob's shoes are red except two. All of Jacob's shoes are green except two. All of Jacob's shoes are yellow except two. How many shoes does Jacob have?
A Man gave one of his sons 10 cents and another son was given 15 cents. What time is it? Hint: Figure out the relation between time and number, is not so easy..:)
The product of three consecutive numbers is 7980. Then the sum of these consecutive numbers would be?
My thunder comes before the lightning; my lightning comes before clouds; my rain dries all the land it touches. What am I?
I speak without a mouth, and hear without ears. I have no-body, but I come alive with the wind. What am I?
There is a cryptic organization called Cicada 3301 that posts challenging puzzles online, possibly to recruit codebreakers and linguists.