Can you make a six-letter word using the letters N, A and B ?

I cannot talk, but I always reply when spoken to. What am I?

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

What has hands, but can’t clap?

What can you serve, but never eat?

A seven-year-old kid challenged his classmates that he can make the number one disappear by adding something to it.

How can he do that?

What does the rebus below mean?

TEN BADTION

In a Society, there are over 100 flats.

Flat 1 is named the first flat.
Flat 2 is named the second flat.
Flat 3 is named the third flat. And So On.....

A visitor decides to walk through all the flats, and he finds all the flats except flat 62.
Anmol later founds that the locals of the town have given it another name.

What is the name of the Flat?

Can you name four days which start with the letter 'T'?

It's a protector.
It sits on a bridge.
One individual can see directly through it, while others wonder what it hides.

What is it?