81 x 9 = 801. What must you do to make the this equation true?

Why do people go to bed?

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.

Which Travels Faster? Solve below famous picture riddle:

What do you think with the below Picture ?

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?

When we see 2 but call 10?

Can you make a six-letter word using the letters N, A and B ?

Which alphabet letter is a question?

How many words can a pen with half refill write?