What goes up but never comes down?

Name one eight-letter word with 'kst' in the middle, 'in' the beginning, 'and' at the end.?

1. How can we put an elephant in the refrigerator?
2. How can we put a Giraffe in a refrigerator?
3. The king of the jungle invites all the animals to a party everyone comes except for one animal, which animal?
4. You come to a crocodile-infested lake, you can't go around it, you can't co under it and you can't go over it, how do you get across?

What can go through glass without breaking it?

Count the number of triangles in the below picture?

The person who makes it has no need for it. He who purchases it does not use it. The person who does use it does not know they are. What is it?

A thief is convicted in Mexico. He gets the death penalty. The judge allows him to say the last sentence to determine how the penalty will be carried out. If the thief lies, he will be hanged, if he speaks the truth he will be beheaded. The thief tells the last sentence and to everybody's surprise some minutes later he is set free because the judge cannot determine his penalty. What did the thief say?

Mr Red Lives in the red house.
Mr Green Lives in the greenhouse.
Mr Yellow Lives in the yellow house.

Who lives in the Whitehouse?

Which is the smallest number that you can write using all the vowels exactly once?

There was a strange boy who was born before his father. How can this be possible?