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?

When it is alive we sing, when it is dead we clap our hands. What is it?

A plane crashed between the border of Mexico and America. Where do you bury the survivors?

A worker is to perform work for you for seven straight days. In return for his work, you will pay him 1/7th of a bar of gold per day. The worker requires a daily payment of 1/7th of the bar of gold. What and where are the fewest number of cuts to the bar of gold that will allow you to pay him 1/7th each day?

Find the Goldfish below the given Image.

What always comes into a house through the keyhole?

Find the combined weight of the Cat, Dog and Rabbit in the given picture.

You have an empty wine bottle with a cork that has been secured at the top in a normal way. There is a metal ring inside the bottle that is suspended by a string.

How can you make the metal ring drop to the bottom if you are not allowed to touch anything - not the bottle, not the cork, not the thread and not the ring?

I am a prime number.
The double of myself is equal to the square of me.

which number am I?

It's pretty hard to give up.
If you remove a part of it, you will be left with a bit.
Even if you remove another part, the bit still remains.
Remove one more and it still remains.

What is it?