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?

What has 13 hearts but no other organs?

I have an eye but still cannot see.

Who am I?

Solve the alphametic puzzle by replacing the alphabet with the number.

S T O R M +
S O L E S
=========
T O W E L
=========

I know there are two methods by using three time the same number with a plus(+) operator , you can make sum as 60.

One of them is 20+20+20.

whats the other way ?

Nine marbles are arranged in the image below. Can you slide two marbles to form a square?

I possess a head

I flaunt a tail

But I don't have mouth or legs

Can you find out who I am?

What's the only room from which no one can enter or leave

What you cannot hold but it is yours?

Before Mount Everest was discovered, what was the highest mountain in the world?