I have teeth but i don't bite. Who Am I ?

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

There are a hundred statements.

First person says: At least one of the statements is false.

Second person says: At least two of the statements is false.

Third person says: At least three of the statements are false.

Fourth person says: At least four of the statements are false.

..

..

..

Hundredth person says: At least a hundred of the statements are false.

Analysing it, how many statements do you think are false and how many are true?

I am a white box having no key or lid.
Yet there is a golden treasure inside it.

What Am I?

What runs around the whole yard without moving?

What's the next in the series?

H, Be, F, S, Mn, Kr, In, Gd, Tl, ?

There is a square piece of paper with a hole that is denoted by the circle on the top right side in the given picture. You have to cut the paper in a manner that it forms two and only two separate pieces of paper and then rearrange the pieces in a manner that the holes come in the centre of the paper.

I am a normal creature, but I have five hands. I can even have more but even then I will be considered normal.

Who am I?

Its something that each of us devours,
Not just us but birds, beats, trees, and flowers,
Frets iron and nibbles steel,
Toil hard stones to meal,
Exterminates king, collapse town,
And blows the mountains down.

Can you find the largest Three-digit number whose sum is 14 and whose square is less than 5,00,000?