Answer:
What surrounds the world, yet dwells within a thimble?
It is able to speak because it has a hard gone. You know what it is as soon as it has sung. What is it?
Something wholly unreal, yet seems real to I. Think my friend, tell me where does it lie?
I have one, you have one. If you remove the first letter, a bit remains. If you remove the second, bit still remains. If you remove the third, it still remains.
What is the heart of many risks, has a heart, but is not a living being?
Why was the cook arrested?