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

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

I have four wings but can't fly.
I express no emotions.
I am found on the exact spot every time you look.
I keep toiling away with a little sound.

Do you know what am I?

What is the fastest way to double your money?

What do you see in the given picture?

I’m orange, I wear a green hat and I sound like a parrot. What am I?

He digs out tiny caves and stores gold and silver in them. He also built bridges of silver and made crowns of gold. They are the smallest you could imagine. Sooner or later everybody needs his help, yet many people are afraid to let him help them. Who is he?

It's a test that will check your IQ.

Suppose you have one 11 minute hourglass and one 13 minute hourglass.

Can you measure exactly fifteen minutes using them ?

Which city is three-fifths chick two third cat and 50% goat?

Who has married many women but was never married?