Complete the table series riddle by finding the number that can replace "??".

What has one eye, but can’t see?

Find the 8 in the below-given Image.

As you can see that fifteen matches have been used to form an arrangement. What you have to do is remove any six of them to make them ten.

If six children and two dogs were under an umbrella, how come none of them got wet?

What's the next in the series?

H, Be, F, S, Mn, Kr, In, Gd, Tl, ?

In the attached figure, you can see a chessboard and two rooks placed on the chess board. What you have to find is the number of squares that do not contain the rooks. How many are there?

If in a code language, DISTANCE is written as IDTUBECN and DOCUMENT is written as ODDVNTNE, the how will THURSDAY be coded as in the same language?

What has a bottom at the top?

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?