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

What can go through glass without breaking it?

What do you see in the given picture?

There was a strange boy who was born before his father. How can this be possible?

This is a famous paradox which has caused a great deal of argument and disbelief from many who cannot accept the correct answer. Four balls are placed in a hat. One is white, one is blue and the other two are red. The bag is shaken and someone draws two balls from the hat. He looks at the two balls and announces that at least one of them is red. What are the chances that the other ball he has drawn out is also red?

I came first on earth but second on the heaven.
I also came twice in a week but found just once in a year.
I stay away from months but you can find me in February.

What am I?

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

What has lots of eyes, but can’t see?

While house hunting in London, I came across a very good leasehold property Discussing the lease the landlady told me:

'The property was originally on a 99 years lease and two-thirds of the time passed is equal to four-fifths of the time to come. Now work it out for yourself and see how many years are to go!

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