You can see it everyday, But cannot touch it at will. What is it?
A patient was diagnosed with some ailment. He was given five different tablets to take at night at an interval of 15 minutes. How long will it take the patient to consume all the five tablets?
I have eight fingers and two thumbs but I do not live. What Am I?
What goes up but never comes down?
A man in a car saw a Golden Door, Silver Door and a Bronze Door. What door did he open first?
I look at you, you look at me, I raise my right, you raise your left. What am I?
Living above a star, I do not burn Eleven friends and they do not turn I can just be visited in a sequence, not once or repeatedly PQRS are my initials Can you tell my name accurately?
When I got four, I have it none. When I got two, I have it some. When I got none, I have it all. What is it?
A plane crashed between the border of Mexico and America. Where do you bury the survivors?
Can anyone tell me a word in the English dictionary which has a silent 'z'?
I have a mouth but I don't eat. I have a bank but have no money. I have a bed but i dont sleep. I wave but have no hands. Who Am I ?
There is a cryptic organization called Cicada 3301 that posts challenging puzzles online, possibly to recruit codebreakers and linguists.