Fall differences

Q: Whats the difference between a guy falling from the first floor and a guy falling from the 21st floor ?
A: The guy falling from the first floor goes "DHUP.......... AAHH" and the guy falling from the 21st floor goes "AAAH...... DHUP"

AM/PM of India

Q: Why does the Prime Minister of India, Dr Manmohan Singh take walks only in the evening ?
A: Coz' he'z the PM, not the AM.