I never stop running even when I standstill. If I am formed by joining two identical bodies together, can you guess who I am?

He does not have any heart but still, He manages to live.
If you kill him, you will eventually die but yet you kill him.
He cannot run, who is He?

There are three boxes on a table. One of the box contains Gold and the other two are empty. A printed message contains in each box. One of the message is true and the other two are lies.

The first box says "The Gold is not here".

The Second box says "The Gold is not here".

The Third box says "The Gold is in the Second box".

Which box has the Gold?

What has to be broken before you can use it?

Can you solve this amazing hard number series problem?
7, 8, 10, 12, 16, 18 ?

Many have heard it, but nobody has ever seen it, and it will not speak back until spoken to. What is it?

Until it is measured, not known. Yet how you miss it when it has gone. What is it?

Readers with high attention to detail can spot the mistake in the stack of shoes in 5 seconds. Are you one of them? Test your visual skills now!

At a party, there are five people and a whole round cake lying at the centre of the table. Only four people will make a cut and take their piece and the last one will get the remaining piece on the table. How can they make sure that everyone gets a 1/5th of the piece?

Can you find out what is missing?

1 3 5
2 4 ?

Hint: It's not six. Think out of the box.