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

I noticed one of the words in the oxford dictionary is spelled incorrectly. What about you?

Known by all without exception, Forever here, for your protection, Sometimes strong, sometimes weak, Right after the night I come - hot and chic. And while millions of miles away, I always get to you, I find my way. No life around could do without me, Can you guess what I might be?

What is both possible and impossible at the same time?

Nodes are shown below and you need to connect them based on the following rule: Every node can be connected to the number of nodes inside them, i.e. the first node there is a value of 1 which indicates that the first node can connect to exactly one node only.Can you do it?

What is more useful when it is broken?

A person is found murdered in his Chamber. When the crime scene is investigated, the Investigator find out that there is a calendar on which the victim has written a few numbers with his blood. The numbers are 4, 11, 11 and 4.

There are four suspects in the murder, John, Jacob, Anna and Lee. Can you find out who is the murderer?

Can you make a six-letter word using the letters N, A and B ?

What is black when you buy it, red when you use it, and gray when you throw it away?

Solve the alphametic puzzle by replacing the alphabet with the number.

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