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

You have two strings whose only known property is that when you light one end of either string it takes exactly one hour to burn. The rate at which the strings will burn is completely random and each string is different.

How do you measure 45 minutes?

When 99 is considered higher than 100?

Create a number using only the digits 4,4,3,3,2,2,1 and 1. So i can only be eight digits. You have to make sure the ones are separated by one digit, the twos are separated by two digits the threes are separated with three digits and the fours are separated by four digits

When I got four, I have it none.
When I got two, I have it some.
When I got none, I have it all.

What is it?

Can you find the key in the picture below?

I have a head like a cat and feet like a cat, but I am not a cat. What am I?

A man is trapped in a room. The room has only two possible exits doors. Through the first door there is a room constructed from magnifying glass. The blazing hot sun instantly fries anything or anyone that enters. Through the second door there is a fire-breathing dragon. How does the man escape?

Be active and find the killer in the picture Riddle below.

How do you go from 98 to 720 using just one letter?