Why are all black people so quick ?

I know a ten-letter word in the English language which can be typed using only the top rows of the computer keyboard.

A thief is convicted in Mexico. He gets the death penalty. The judge allows him to say the last sentence to determine how the penalty will be carried out. If the thief lies, he will be hanged, if he speaks the truth he will be beheaded. The thief tells the last sentence and to everybody's surprise some minutes later he is set free because the judge cannot determine his penalty. What did the thief say?

I welcome the day with a show of light, I stealthily came here in the night. I bathe the earthy stuff at dawn, But by noon, alas! I'm gone.

A boy was locked in a room by some robbers. All that is in the room is a piano, a calendar, and a bed. The room is locked from the outside. What does he eat, drink, and how does he escape and get out?

Can you find out which number multiplied by itself will give the output as 12345678987654321?

A man was just doing his job when his suit was torn. Why did he die three minutes later?

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

What does Alexander the Great and Winnie the Pooh have in common?

I am a five-letter word and comprises two different vowels and three same consonants. I am so strong that I can spoil your entire work.

Can you find out who am I?