What is represented by this BrainBat?
[Ref: ZVNE] Submitted by Chelsea McCabe.
How many 3p stamps are there in a dozen?
Whoever makes it, tells it not.
Whoever takes it, knows it not.
And whoever knows it, wants it not.
What is it?
[Ref: ZGFI] Submitted by Nate Johnson.
You have a barrel, filled to the top with water, which weighs 150 pounds.
What can you add to the barrel in order to make it lighter?