If you say my name, I will no longer exist. What am I?

Sherlock Holmes was challenged to make a pre-drawn line smaller without erasing it. He did it in fractions of seconds. How?

I can turn polar bears white.
I can make anyone dance.
I can make everyone cry
I can make your hands clap
I can make you thin.
I can make you smile.
I can make you smile

Can you guess the riddle?

There are 2 cops parked along a one-way street looking for traffic violations. They spot a taxi driver going in the wrong direction, yet they do nothing.

Why?

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

A man who was outside in the rain without an umbrella or hat didn’t get a single hair on his head wet. Why?

That attorney is my brother, testified the accountant.

But the attorney testified he didn't have a brother.

Who is lying?

A dying old man wants to divide his entire land between his only two sons. Since his only wish is to treat them as equal as both of them have been too good to him, he wants to divide his land equally between them. The problem is that the land is significantly irregular in shape and thus there is no choice of cutting them into two equal halves.

Can you help him divide the land in a manner that both of his sons will be happy?

Chocolate costs 6 rupees and a Toy costs 5 rupees. If you have 32 rupees in total, how many chocolates and how many Toys can be purchased with that amount?

What can run but never walks, has a mouth but never talks, has a head but never weeps, has a bed but never sleeps?