Can you find out the smallest number that can be conveyed as the sum of three squares in three unique ways?

I organized a small get together at my home.
In the party , i have a barrel with some whiskey in it.

Suddenly Guest 1 say 'I bet this barrel of whiskey is more than half full'.
'No, it's less than half full' Guest 2 replied.

I don't have any measuring instrument and without removing whiskey from it , how can i determine which of the guest is right ?

Can you find the 09 errors in the picture below?

A man has a barrel filled with oil that weighs 100 pounds, and then he puts something into it. Now the barrel weighs less than 100 pounds. What did he put in the barrel?

A chicken farmer has figured out that a hen and a half can lay an egg and a half in a day and a half. How many hens does the farmer need to produce one dozen eggs in six days?

What goes up but never comes down?

Why do people go to bed?

John was drowned by he was not wet. How?

Double it and multiply it by 4. Then divide it by 8 and you’ll have it once more. What number is it?

You knock a Table over in the library, and suddenly 20 eyes are looking at you.