A certain street contains 100 buildings. They are numbered from 1 to 100. How many 9's are used in these numbers?

It comprises roots which nobody sees,
Much taller than those trees,
Up and up it goes,
Still it never grows?

You Throw The Outside, Cook The Inside
Eat The Outside, Throw The Inside.

What Is It?

The person who makes it has no need for it; the person who buys it has no use for it. The person who uses it can neither see nor feel it. What is it?

I can write cow in 13 letters.

Can You?

John has played 50 ODI's and his average is 50. How many runs should he score in his 51st ODI, so that his average score jumps to 51?

That attorney is my brother, testified the accountant.

But the attorney testified he didn't have a brother.

Who is lying?

For an extra income, John decided to work at a Hotel for one hour daily. The manager offers him that they will pay him $11 after every 11 days.
However, John offered a different proposition to the manager. The offers stand as:
He will be paid just a penny on his first day.
Two pence will be paid on the second day,
Four pence will be paid on the third day.
And so on till the 11th day.

Should the Hotel manager accept his offer?

Which is the rope you never skip with?

A Doctor always sneezes before the rain. Doctor sneezes, Will it rain?