What is the word or phrase below?
R | E | A | D

It walks on 4 when its young, walks on 2 when it's older, and walks on 3 when its very old?

What country can make you shiver?

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.

It can't be seen, can't be felt, can't be heard, and can't be smelt.
It lies behind stars and under hills, And empty holes it fills.
It comes first and follows after, Ends life, and kills laughter.
What is it?

How could a baby fall out of a twenty-story building onto the ground and live?

Can you complete the sequence?

192, 021, 222, 324, 252, 627, 2__, 9__?

You have a three-gallon and a five-gallon measuring device. You wish to measure out four gallons.

A four-digit number (not beginning with 0) can be represented by ABCD. There is one number such that ABCD=A^B*C^D, where A^B means A raised to the B power. Can you find it?

Can you count the number of lines in the below picture?