Riddle

What can you put in a barrel, that will make the barrel lighter?

Choose an answer

A.Air
B.A leak
C.Nothing
D.A hole
Hint: It's a 2-word phrase with 5 letters, starting with "A".

Answer

A hole

Why this is the answer

Punching a hole removes material from the barrel, making it lighter, unlike adding any object.

This riddle is filed under How, What, Why Riddles and rated Medium.