Solve below rebus puzzle?

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?

Remove two matchsticks to make the below equation correct.

It's a test that will check your IQ.

Suppose you have one 11 minute hourglass and one 13 minute hourglass.

Can you measure exactly fifteen minutes using them ?

There is a number which when you multiply by 3 and subtract 2 from the result, then the resulting number is the reverse of the actual number.

What is the smallest number that stands true on the statement?

What happened when the wheel was invented?

What word is pronounced the same if you take away four of its five letters?

If a wheel has 54 spokes, how many spaces are there between the spokes?

Can you make numbers like 24, using numbers 3,3,7 & 7 with any arithmetic operator?

Many have heard it, but nobody has ever seen it, and it will not speak back until spoken to. What is it?