Which fur should we be getting from the Lion?

I can be cracked, made, told, and played. What am I?

Prove that twice of ten is the same as twice of eleven.

How can you drop a raw egg from a height onto a concrete floor without cracking it?

I have no doors but I have keys, I have no rooms but I have space, you can enter but you can’t leave! What am I?

It's a 7-letter word.
If we remove 1 letter from it, it remains the same.
If we remove 2 letters from it, it remains the same.
If we remove 3 letters from it, it remains the same.
If we remove all the letters from it, still it remains the same.
What is it?

What has a bottom at the top?

Which alphabet is a part of our body?

Which country gets ill every time?

What has many teeth, but cannot bite?