What does this rebus puzzle means ?

Solve the puzzle by telling what does below picture means.

You are trapped in a room with two doors. One leads to certain death and the other leads to freedom. You don't know which is which.
There are two robots guarding the doors. They will let you choose one door but upon doing so you must go through it.
You can, however, ask one robot one question. The problem is one robot always tells the truth, the other always lies and you don't know which is which.
What is the question you ask?

How could a baby fall out of a twenty-story building onto the ground and live?

Solve below rebus puzzle?

The chance of Mr John winning the lottery is 10%. All participants lined up and Mr John is 4th in the row. The first three participants lose the lottery.

What is the chance of Mr John now?

Which tank will fill first?

If 5 cats catch 5 mice in 5 minutes, how long will it take one cat to catch a mouse?

Move three sticks of the spiral below to form a square.

Which tank will fill first?