What does it mean?

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

There is a number which when you multiply by 3 and subtract 2 from the result, then the resulting number is the reverse of the actual number.

What is the smallest number that stands true on the statement?

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?

What does below rebus means ?

John can fit six large chocolate boxes or nine small chocolate boxes into a carton. How many cartons will he require to put sixty-six chocolate boxes into?

Yesterday I fell from 30 feet high ladder but I don't get hurt. Why?

Can you write down eight eights so that they add up to one thousand?

Decode below rebus
D
N
A
T
S , D

Irene killed hundreds of people mercilessly and yet the police were not able to put her behind the bars. Why?