I look at you, you look at me, I raise my right, you raise your left. 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 is always in front of you but can’t be seen?
Can anyone tell me a word in the English dictionary which has a silent 'z'?
Railroad Crossing, look out for the cars. Can you spell that, without any R's ?
If you’ve got me, you want to share me; if you share me, you haven’t kept me. What am I?
What two things can you never eat for breakfast?
How can you leave a room with two legs and return with six legs?
I am not alive, but I grow; I don't have lungs, but I need air; I don't have a mouth, but water kills me. What am I?
A horse was tied to a rope 5 meters long and the horses food was 15 meters away from the horse. How did the horse reach the food?
It walks on 4 when its young, walks on 2 when it's older, and walks on 3 when its very old?
There is a cryptic organization called Cicada 3301 that posts challenging puzzles online, possibly to recruit codebreakers and linguists.