As easy as you can get into me, it is as hard to get out of me.

Do you know what I am?

You have four chains. Each chain has three links in it. Although it is difficult to cut the links, you wish to make a single loop with all 12 links. What is the fewest number of cuts you must make to accomplish this task?

A man says, "Brothers and sisters, have I none, but that man's father is my father's son." Who is that man?

You are provided with a grid (as shown in the picture). Can you fill the squares with numbers 1-8 in a manner that none of the two consecutive numbers are placed next to each other in any direction (vertically, horizontally or diagonally?)

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

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

How can you leave a room with two legs and return with six legs?

One night, a woman receives a call from the police. They tell her that her husband was murdered and that she should come to the crime scene as soon as possible. The woman drops the phone, shocked, and drives 20 minutes to the crime scene. As soon as she reaches the crime scene, the police arrest her and she is convicted of murder. How do the police know she committed the crime?

Can you find the key in the picture below?

In The 1st month of this year(the year 2013), I noticed that the date 13-1-13 (13 January 2013) is special.

This date is special as:

Date * Month = Year.

Can you figure out which year of this century has a maximum number of such dates?