why number 8549176320 is one of a kind?

To tease, King Akbar told his most clever advisor Birbal to give his daughter one thing that she can eat when hungry, drink if she feels thirsty and can burn if she feels cold. King Akbar was shocked when Birbal gave Akbar's daughter one such thing that satisfies all of the above.

What did Birbal give to Akbar's daughter?

Take away my first letter, then take away my second letter. Then take away the rest of my letters, yet I remain the same. What am I?

A boy was at a carnival and went to a booth where a man said to the boy, "If I write your exact weight on this piece of paper then you have to give me $50, but if I cannot, I will pay you $50." The boy looked around and saw no scale so he agrees, thinking no matter what the carny writes he'll just say he weighs more or less. In the end the boy ended up paying the man $50. How did the man win the bet?

Find the missing number in the sequence below:

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

Buy me, smell me or deliver me, I do not change.

Who am I?

You can take four of the five letters out of this word, but the pronunciation never changes. What is the word?

John can eat 27 chocolates in an hour, Jacob can eat 2 chocolates in 10 minutes, and Jolly can eat 7 chocolates in 20 minutes. How long will it take them to share and eat a box of 120 chocolates whilst playing Chess?

How can a man go eight days without sleep?