A sea diver is a real show-off. He showed everyone that he can hold his breath underwater for 15 minutes.

I went to the diver and told him that I can be underwater for double the time i.e 30 minutes.
He responded that he will give me 100$ if I would be able to do it. I won 100$.

What did I do?

Which part of London exists in France as well ?

Which alphabet letter is a question?

How can a man go eight days without sleep?

Which alphabet is a part of our body?

You are stuck on an island where you have nothing. You find four pieces of paper somewhere on the island. What will be your strategy to escape from the island safely?

PS: No other resource is available to you on the island, neither can you build anything.

Prove that the below maths equation is true.

8 + 8 = 91

What is the end of everything?

What has no start, end, or centre?

What has six faces, but does not wear makeup, has twenty-one eyes, but cannot see? What is it?