What has 13 hearts but no other organs?

Akbar summoned Birbal out of anger.
He told him that he will have to face death.
He asked him to make a statement and if the statement is true he will be buried alive and if the statement is false, he will be thrown at lions.
After hearing Birbal’s statement, Akbar could do nothing but smile.
He gave him 5 gold bars and let him go.

What did Birbal say?

What can you hold in your right hand, but never in your left hand?

The Federal bank of London is abducted by the robbers. The head of the robbers asked the cashier to empty their money vault to them and when suddenly cashier got a call from her father. To avoid any suspicion, the robber asked the cashier to pick the call and reply her father in the shortest manner possible.

The cashier told her father "Is there an emergency father, Call me when you are free and I will help you in your furnishing" and then the cashier hung up the phone.

After 10 minutes, police arrived at the crime scene.

How did the police know about the robbery?

You’ll find me on Mercury, Earth, Mars, Jupiter, Saturn, and Uranus. But never Neptune, or Venus. What am I?

The more it dries, the wetter it becomes. Can you tell what it is?

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

Before Balboa discovered the Pacific Ocean, which was the largest ocean before that?

There's one "sport" in which neither the spectators nor the participants know the score or the leader until the contest ends.

What is it?

Replace the question mark with the number below given a simple math problem.