What goes up but never comes down?

No one wants to have it, but if one got it, he does not want to lose it. What is It?

What can you catch but never throw?

You walk into a room where there are three primates held in their respective cages:
1) A lion who is eating the flesh of a goat.
2) An orangutan who is playing with blocks.
3) A donkey who is sitting idle.

Who is the most intelligent primate in the room?

You walk into a creepy house by yourself. There is no electricity, plumbing, or ventilation. Inside you notice 3 doors with numbers on them. Once you open the doors you will die a particular way. Door No.1 You’ll be eaten by a lion who is hungry. Door No.2 You’ll be stabbed to death. Door No.3 There is an electric chair waiting for you. Which door do you pick?

Spot the cat in the picture below

If a boy blows 18 bubbles,
Then pops 6 eats 7 and then
He pops 5 and blows 1.
How many are left?

Can you find out the remainder when 3^300 is divided by 5?

What number does the below three word/phrase identify and why?
1. Deck
2. Year
3. Singing in the Rain

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