What two things can you never eat for breakfast?

Eight of us go fourth, not back, to protect our king from an attack. What are we?

How can you make a TV, a bed, a dog, and a car liquid?

What you cannot hold but it is yours?

What kind of tree can you carry in your hand?

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.

How many points are there on the globe where, by walking one mile south, then one mile east and then one mile north, you would reach the place where you started?

Replace the question mark with the correct number.

You can take four of the five letters out of this word, but the pronunciation never changes. What is the word?

If you toss a coin 10 times and it lands heads up every time, what are the chances it will land heads up if you toss it again?