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

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

Find out the number of circles in the given picture having Illusion

Why did the Girl throw the butter out of the window?

Christina has four daughters, and each of her daughters has a brother. How many children does Christina have?

If you had an infinite supply of water and 5-quart and 3-quart pails, how would you measure exactly 4 quarts? What is the least number of steps you need?

A word I know,
Six letters contain,
Subtract just one,
And twelve is what remains.

A man in a car saw a Golden Door, Silver Door and a Bronze Door. What door did he open first?

A mile-long train is moving at sixty miles an hour when it reaches a mile-long tunnel. How long does it take the entire train to pass through the tunnel?

Replace the question mark with the correct number, given the pair of numbers exhibits a similar relationship?

? : 3839 :: 11 : 1209