Answer:
What starts with an E, ends with an E & only contains one letter but is not the letter E
Which bank is not used for storing money?
When is homework not homework?
How do you discover something that does not exist?
A claustrophobic person gets on a train. The train enters a tunnel just as it is leaving the station. Where is the best place for him to sit?
When is it bad luck to see a black cat?