What do you answer even though it never asks you questions?

As you can see that fifteen matches have been used to form an arrangement. What you have to do is remove any six of them to make them ten.

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

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

Baseball bat and ball cost $100. If the bat cost $99 more than the ball, what is the cost of each?

Krish is 45 years old and his mother Crishtina is 73 years old.

Can you find out how many years ago, his mother was three times his age?

Which part of London exists in France as well ?

The first person saw the bridge step on it and crossed,
the second person saw the bridge did not step on it but crossed,
the third person did not see the bridge did not step on it but crossed.
Who are these people?

Which Number is the odd one out?

A) 7145
B) 2716
C) 5321
D) 4135

I cry without having a voice.
I fly without having wings.
I bite without having teeth.
I whisper without a mouth.

Who am I?