Can you find the missing piece of the Porsche?

A boy was locked in a room by some robbers. All that is in the room is a piano, a calendar, and a bed. The room is locked from the outside. What does he eat, drink, and how does he escape and get out?

Why blonde cannot dial 911?

My friends called me Iron59 because my parents are a chemist and a mathematician. What is my real name?

I know a 5-digit number having a property that With a 1 after it, it is three times as large as it would be with a one before it.

Guess the number?

What do you answer even though it never asks you questions?

How will you measure 15 minutes using two hourglasses of 7 minutes and 11 minutes respectively?

Give it food and it will live; give it water and it will die.

There are 2 people near the river and both of them want to get on the other side. The boat can only take one of them. But they got across.
How?

Can you tell a 3D object that has just two surfaces?