What is the Surname of Barbie Doll?

why number 8549176320 is one of a kind?

How many times can you subtract the number two from the number fifty?

What has a bottom at the top?

I am a type of room you cannot enter or leave. Raised from the ground below, I could be poisonous or a delicious treat. What am I?

My location can be determined by the below rebus.
So where am i ?

John was going on a jungle trip. He asked his wife to pack something to eat, something to drink and something to burn if he feels cold in the jungle. When John opens the backpack he found just one thing in the bag. What was it?

Forwards I am heavy, backward I am not. What am I?

Find the last number in the series below:

voN luJ yaM raM ---

Out of three Friends John, Jacob and Jonny one of them is a king, one is a bureaucrat, and one is a Spy.

The king always tells the truth, the bureaucrat always lies, and the Spy can either lie or tell the truth.

John says: Jonny is a bureaucrat
Jacob says: John is a king
Jonny says: I am a Spy

Tell me, Who is the king, who is the bureaucrat, and who is the Spy?