What breaks yet never falls, and what falls yet never breaks?

It spends most of its day eating white, but when it’s quick enough, it gets to eat fruit and sometimes some blue things. It’s in a dark room, where the walls are blue, it runs from a ghost that roams the halls and haunts it all the time. What is it?

What can go through glass without breaking it?

There is something which is always coming but never arrives?

They came out at night, without being called.
They lost at day, without being stolen.
Who are they?

Complete the following series. It.s very logical:

1, 4, 5, 6, 7, 9, 11, __?

What 4-letter word can be written forward, backward or upside down, and can still be read from left to right?

I have a mouth but I don't eat.
I have a bank but have no money.
I have a bed but i dont sleep.
I wave but have no hands.

Who Am I ?

Baseball bat and ball cost $100. If the bat cost $99 more than the ball, what is the cost of each?

One absent-minded ancient philosopher forgot to wind up his only clock in the house. He had no radio, TV, telephone, internet, or any other means for telling time. So he travelled on foot to his friend's place a few miles down the straight desert road. He stayed at his friend's house for the night and when he came back home, he knew how to set his clock. How did he know?