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?

There are two dice with empty faces in front of you and a marker. You can mark any number on each of the faces of the two dice, but you have to display all 31 days of the month using the two of them.

Which numbers will you mark on which dice so that you can easily depict all the dates of the month?

Until it is measured, not known. Yet how you miss it when it has gone. What is it?

What is the word or phrase?

I am a five-letter word and comprises two different vowels and three same consonants. I am so strong that I can spoil your entire work.

Can you find out who am I?

When monkey rotate the gear, which mark will be hit 1 or 2 ?

Which statement is true out of the following?
One statement here is false.
Two statements here are false.
Three statements here are false.

Can you find out the total number of triangles in the given figure?

There is a certain crime, that if it is attempted, is punishable, but if it is committed, is not punishable. What is the crime?

A large container is kept in open under the rain. Every passing hour, the water collected inside the container becomes double what it was.

In ten hours, the container is filled completely. Can you calculate how long would it have taken to be filled in half?