what does this picture(rebus) riddle means ?

I inserted a coin in a bottle and closed its mouth with the help of a cork. Now, I was able to take the coin out from the bottle without taking out the cork or breaking the bottle. Can you tell me how I did it?

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

What happened when the wheel was invented?

What 4-letter word can be written forward, backward or upside down, and can still be read from left to right?

By removing one matchstick and adding one matchstick, can you convert the word "ZOO" to an animal name?

A little girl goes to the store and buys one dozen eggs. As she is going home, all but three break. How many eggs are left unbroken?

Why is it against the law for a man living in Delhi to be buried in Mumbai?

Suppose you are a girl candidate and sitting in an interview. Suddenly the interviewer asks you, 'What if one morning you wake up and find out that you are pregnant?

How will you reply to such a question?

It's a test that will check your IQ.

Suppose you have one 11 minute hourglass and one 13 minute hourglass.

Can you measure exactly fifteen minutes using them ?