A man dies of old age on his 25 birthday. How is this possible?

In a concert, Christina is performing a dance show with her group.
At 10:00, she and her crew were dancing in an absolutely straight line. At that time Christina was standing in 4th position from both the front and back end of the row.

What was the size of her crew?

In the picture that is attached with this question, you can find a square which comprises of four little squares inside it. Consider this square to be made with matchsticks. You have to remove two matchsticks such that only two squares remain instead of five.How will you do it ?

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

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

An American nightclub called 'The Coconut Grove' had a terrible fire in which over 400 people died. A simple design flaw in the building led to a high death toll. Subsequently, regulations were changed to ensure that all public buildings throughout the country eliminated this one detail, which proved deadly. What was it?

If a wheel has 54 spokes, how many spaces are there between the spokes?

You can see three almost identical images below. Can you spot the odd one out from them?

John is looking at Jenifer, but Jenifer is looking at Jacob. John is married, but Jacob is not.

Is a married person looking at an unmarried person ?

Move four matchsticks to the below square to form three squares?