There are 2 cops parked along a one-way street looking for traffic violations. They spot a taxi driver going in the wrong direction, yet they do nothing.
Why?
There is one thing that goes round the house and also inside the house but never even share a brief touch. What is it?
I speak without a mouth, and hear without ears. I have no-body, but I come alive with the wind. 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?
What runs around the whole yard without moving?
What 4-letter word can be written forward, backward or upside down, and can still be read from left to right?
It walks on 4 when its young, walks on 2 when it's older, and walks on 3 when its very old?
A bus driver was heading down a street in Mexico. He went right past a stop sign without stopping, he turned left where there was a "no left turn" sign, and he went the wrong way on a one-way street. Then he went on the left side of the road past a cop car. Still - he didn't break any traffic laws. Why not?
How can you leave a room with two legs and return with six legs?
It has a long neck, A name of a bird, Feeds on cargo of ships, It's not alive,
What is it?
There is a cryptic organization called Cicada 3301 that posts challenging puzzles online, possibly to recruit codebreakers and linguists.