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

What number should come in place of the question mark below?

What three numbers, none of which is zero, give the same result whether they’re added or multiplied?

What number does the below three word/phrase identify and why?
1. Deck
2. Year
3. Singing in the Rain

John asked Jack, "The time right now is 7 pm. Can you tell me what will be the time 23, 999, 995 hours later ?"

While Bella does not know the answer, do you ?

Jessica is telling her friends this story and asks them to guess if it’s the truth or a lie: “There was a man sitting in a house at night that had no lights on at all. There was no lamp, no candle, and no other source of light. Yet, he sat in the house and read his book happily.” Her friends say she’s lying, but Jessica corrects them and says she’s telling the truth. Jessica’s story is true—but how?

What jumps when it walks and sits when it stands?

Why do you find that most of the buildings are deprived of the 13th floor?

What is the coolest letter in the alphabet?

Six glasses are in a row. The first three are filled with milk and the last three are empty. By moving only one glass, can you arrange them so that the full and the empty glasses alternate?