Here is a conversation between a couple who both are software professionals.

Husband: Hey! What is your date of birth?
Wife Replied Angrily: It is 591062400
Husband after doing some calculations replied, "Got It".

What is the DOB of the wife?

Our product and our sum always give the same answer. Who are we?

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

What Adam and Eve do not have but the rest of the people have?

No one wants to have it, but if one got it, he does not want to lose it. What is It?

It's a 7-letter word.
If we remove 1 letter from it, it remains the same.
If we remove 2 letters from it, it remains the same.
If we remove 3 letters from it, it remains the same.
If we remove all the letters from it, still it remains the same.
What is it?

You walk into an old horror house. It has no power or plumbing. Once inside, you see three doors. Each door has a number on it. Behind each door is a way for you to die. Behind door number one, you die by getting eaten by a lion. Behind door number two, you die by getting murdered. Behind door number three, you die by an electric chair. You can’t turn back, so you have to go through a door. Which door do you go through?

Analyze and find the missing item in the sequence:
16, 06, 68, 88, __, 98

Solve the equation in the image by looking at the pattern closely.

I am a prime number.
The double of myself is equal to the square of me.

which number am I?