I was speeding and ran through a stop sign, yet two traffic officers who were there do nothing about it.

why?

A woman lives in a skyscraper thirty-six floors high and is served by several elevators which stop at each floor going up and down. Each morning she leaves her apartment and goes to one of the elevators. Whichever one she takes is three times more likely to be going up than down. Why?

John, a 5-year-old boy, was really fond of the chocolates. He asked his Mother to give him some money to buy his favourite chocolates. His Mother gave him $45. He went to the shopkeeper and asked, "How much is one chocolate for?". The shopkeeper said $3 for one chocolate. Also, if you give me the wrappers of three chocolates, I will give you one for the exchange.
In total, how much chocolate could John eat?

Different lights make me strange by changing me into different sizes. What am I?

In 1990, a person is 15 years old. In 1995, that same person is 10 years old. How can this be?

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

Can you decipher the below rebus?

PBLUESAISNUERSES

Yesterday I fell from 30 feet high ladder but I don't get hurt. Why?

The more you take me, the more you leave me behind.
Who Am I?

With the help clues provided in the image, can you find the 5 digit key?