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

Cristina was born in 1888. She just had her 30th birthday today how did that happen?

A boy was at a carnival and went to a booth where a man said to the boy, "If I write your exact weight on this piece of paper then you have to give me $50, but if I cannot, I will pay you $50." The boy looked around and saw no scale so he agrees, thinking no matter what the carny writes he'll just say he weighs more or less. In the end the boy ended up paying the man $50. How did the man win the bet?

During which month do people sleep the least?

1 rabbit saw 9 elephants while going to the river. Every elephant saw 3 monkeys going toward the river. Each monkey had 1 parrot in each hand. How many animals are going towards the river?

Open a Laptop which is password protected. Hint for the password is given as below:

1 mobile 3 books 2 Boards 1 night 4 balls 2 lighters 1 ghost 1 hat 3 watches

My first is in chocolate but not in ham. My second is in cake and also in jam. My third at tea time is easily found. Altogether, this is a friend who is often around. What is it?

Here is a mathematical expression that also secretly tells a movie name. What movie is that?

Can you count the number of quadrilaterals in the picture below?

I am the beginning of the end, and the end of time and space. I am essential to creation, and I surround every place. What am I?