If there are fifteen crows on a fence and the farmer shoots a third of them, how many crows are left?
What English word has three consecutive double letters?
By using 'because' continuously three times, can you make an English statement ?
What is in seasons, seconds, centuries and minutes but not in decades, years or days?
It walks on 4 when its young, walks on 2 when it's older, and walks on 3 when its very old?
What goes up but never comes down?
I have eight fingers and two thumbs but I do not live. What 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?
What can you catch but never throw?
Can anyone tell me a word in the English dictionary which has a silent 'z'?
You can see it everyday, But cannot touch it at will. What is it?
There is a cryptic organization called Cicada 3301 that posts challenging puzzles online, possibly to recruit codebreakers and linguists.