Two fathers and two sons went fishing one day. They were there the whole day and only caught 3 fish. One father said, that is enough for all of us, we will have one each. How can this be possible?
I look at you, you look at me, I raise my right, you raise your left. What am I?
If nine thousand, nine hundred nine dollars is written as $9,909, how should twelve thousand, twelve hundred twelve dollars be written?
I speak without a mouth, and hear without ears. I have no-body, but I come alive with the wind. What am I?
What is at the end of a rainbow?
What goes up but never comes down?
It belongs to you, but other people use it more than you do. What is it?
What is always in front of you but can’t be seen?
I have teeth but i don't bite. Who Am I ?
A shepherd had 18 sheep, out of which, all but ten died. Can you tell us how many sheep was he left with?
Can you name some countries which do not have the alphabet 'A' in them?
There is a cryptic organization called Cicada 3301 that posts challenging puzzles online, possibly to recruit codebreakers and linguists.