If you had a pizza with crust thickness 'a' and radius 'z', what's the volume of the pizza?
The Little ant seems to be always confused. Do you know why?
Why is it very easy to weigh a fish?
Which is the rope you never skip with?
who is silent in the parliament?
Name a key which is hardest to turn.
Mr Red Lives in the red house. Mr Green Lives in the greenhouse. Mr Yellow Lives in the yellow house. Who lives in the Whitehouse?
Which flower has two lips?
They are the five precious gems of an everyday sort and all can be found on a Tennis Court. Who are they?
There are forty elephants and they have forty-fore heads. How can this be possible?
There is a cryptic organization called Cicada 3301 that posts challenging puzzles online, possibly to recruit codebreakers and linguists.