Answer:
What has keys but no locks, Space but no room, You can enter but you can’t exit.
What do you call the mother-in-law of your sister's husband?
It is something you make after you've weighed your options.
The day is their night and the night is their day, when I shout and they shout back I run away.
When is 1500 plus 20 and 1600 minus 40 the same thing?
Which popular cheese is made backwards?
Easy
Animal
Difficult
Food
Funny
Kids
Logic
What am I?