I am a prime number.
The double of myself is equal to the square of me.

which number am I?

What does this below rebus puzzle mean?

They are the five precious gems of an everyday sort and all can be found on a Tennis Court. Who are they?

You walk into a room that contains a match, a kerosene lamp, a candle and a fireplace. What would you light first?

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?

Which alphabet is a part of our body?

I cry without having a voice.
I fly without having wings.
I bite without having teeth.
I whisper without a mouth.

Who am I?

A boy collects white seashells from the sea and brings them home every night. When he has enough of them, he decides to sell them to a trader.

The trader is ready to buy the shells and he asks the boy about the quantity. At this, the boy starts calculating. He has a giant box that contains 3 mini boxes. Two of them have another mini box inside. If the giant box can hold 50 shells, how many brown shells can he sell to the trader?

I shave every day, but my beard stays the same. What am I?

How can you make the following equation true by drawing only one straight line: 5+5+5=550 ?