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

Can you spot the hidden girl in the picture below?

Different lights make me strange by changing me into different sizes. What am I?

A girl has as many brothers as sisters, but each brother has only half as many brothers as sisters. How many brothers and sisters are there in the family?

2 ladies and 2 girls need to cross a river in a boat big enough for 1 LADY or 2 girls. How do they do it?

One day, all the courtiers from Akbar's court were gathered in the assembly hall when one of them told the Emperor that all his valuables had been stolen by a thief the previous night.
This shocked the Emperor to his core as the place where that courter stayed was the most secured in the kingdom. The Emperor thought that it is not at all possible for an outsider to enter into the courtier's house and steal the valuables. Only another courtier could commit this crime. He quickly called Birbal to identify the thief.
Birbal thought for a while and successfully solved the mystery by identifying the thief in just one statement.
What did Birbal say?

Can you find a number that lies one third of the distance between 1/3 and 2/3?

Divide 110 into two parts so that one will be 150 per cent of the other. What are the 2 numbers?

Who has married many women but was never married?

What can you catch but never throw?