Logic riddles

Find the next number in the sequence:

23, 45, 89, 177, ?

Answer

353
(x*2-1)

I come in a lot of different sizes. Sometimes, I drip a little. If you blow me, it feels really good.
What am I?

Answer

A nose.

A man is walking through the desert. He sees and enormously large cliff, and a dead man at the bottom. The dead man is in his underwear and is holding a straw.
How did the man die and how did he get there?

Answer

The dead man and his two friends (three people) were flying in a hot air balloon. They were heading down wards and towards the cliff. They threw everything out of the hot air balloon and stripped to their underwear, but it wasn't enough. They decided to draw straws to see who would have to jump out. That poor man lost and had to jump out. His friends floated away to safety.

I am a three digit number.
My tens digit is five more than my ones digit.
My hundreds digit is eight less than my tens digit.
What number am I?

Answer

Number 194

A table tennis ball fell into a tight deep pipe. The pipe was only a bit wider then the ball, so you can not use your hand. How would you take it out,
with no damage?

Answer

Pour some water into the pipe so that the ball swims up on the surface.

A man and his boss have the same parents, but are not siblings.
How is this possible?

Answer

He is self-employed. He is his own boss.

If a car key would open a car, and a house key would open a house, then what would open a banana?

Answer

Monkey.