How many times can you subtract the number two from the number fifty?

What can run but never walk, have a mouth that never speaks, have a head that never weeps, and have a bed but never sleeps?

What is the word or phrase?

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

I was born in a small house and I live in it all alone. No windows and no doors have been assigned to my house. The only way I can go out is by breaking through the walls of my house.

Who am I?

It's a protector.
It sits on a bridge.
One individual can see directly through it, while others wonder what it hides.

What is it?

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?

Replace the question mark with the correct number.

I have a big mouth and I am also quite loud! I am NOT a gossip but I do get involved with everyone's dirty business.

How can you take 2 from 5 and leave 4?