By removing one matchstick and adding one matchstick, can you convert the word "ZOO" to an animal name?

I’m tall when I’m young, and I’m short when I’m old. What am I?

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 ?

What brings you down but never up?

What has one eye, but can’t see?

What jumps when it walks and sits when it stands?

By what process could you make a 'Tea-Table' into food?

There are people and strange monkeys on this island, and you can not tell who is who (Edit: until you understand what they said - see below). They speak either only the truth or only lies.
Who are the following two guys?
A: B is a lying monkey. I am human.
B: A is telling the truth.

What is 3/7 chicken, 2/3 cat and 2/4 goat?

The Judge knows that Alamgir was killed by his girlfriend Jasline, but the judge is unsure whether to punish her. Why?