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

Why is it very easy to weigh a fish?

In the figure, you can see nine stars. What you have to do is connect all of them by using just four line and without lifting your hand i.e. in a continuous flow.

Can you place six matchsticks in a manner that each of the matchsticks is in touch with the other five matchsticks?

In the picture given below, can you find out which digit will take place of the question mark?

Below, you will find the mathematical proof that 10 equals 9.99999?. But is that possible or there is something wrong about it? Can you find the error?

x = 9.999999...
10x = 99.999999...
10x - x = 90
9x = 90
x = 10

Can you divide the below-given shape into four equal and identical pieces?

What is wrong in the below Picture?

One night, Louis and Adam were sitting together. Adam was watching a movie while his wife Louis was reading a mystery book. Suddenly the power went out and Adam decided to go to bed, but strangely Louis kept on reading. There was no artificial light around, so Louis kept on reading. How come?

Can you solve the photo plexer logic ?