What has no start, end, or centre?

A man fell off a smuggling boat into deep water. He could not swim and he was not wearing anything to keep him afloat. It took 30 minutes for the people on the boat to realize someone was missing. The missing man was rescued two hours later on the return trip. Why didn't he drown? Note:- He didn't know swimming, the sea was deep, and He wasn't holding anything

How can you spell "White of an egg" in one word?
Hint: I know you can spell coke, poke, and joke.

Decode the below four famous ciphers:

8P of the SS
1M of the E
1S of the SS
60M in 1H

There was a blind man. He had four socks in his drawer either black or white. He opened it and took out two socks. Now the probability that it was a pair of white socks is 1/2.

Can you find out the probability that he had taken out a pair of black socks ?

Find the missing number: 1, 2, 3, 10, 10, ?, 9,802

I am the one who remains awake when you sleep. But I need to rest when you awake. Who Am I?

Can you identify the hidden rebus in the image below?

I hide my treasure in the ground, my tail is big and fluffy. If you spot me in a tree, please don’t call me scruffy. What am I?

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.