What can you see in the middle of March and April that you can never see in any other month?
I am a type of room you cannot enter or leave. Raised from the ground below, I could be poisonous or a delicious treat. What am I?
What is the coolest letter in the alphabet?
What do you get if you add 2 to 100 four times?
How can you tell a raw egg from a hard-boiled egg?
How many words can a pen with half refill write?
Why is it very easy to weigh a fish?
Imagine you are in a room with no windows or doors. How will you get out?
What time is it when an elephant sits on a fence?
10+10 and 11+11 can give you the same answer. Explain how?
What can you hold in your right hand, but never in your left hand?
There is a cryptic organization called Cicada 3301 that posts challenging puzzles online, possibly to recruit codebreakers and linguists.
