Q) What's the difference between a man jumping off the first floor and a man jumping off the 10th?
A) The former goes "*hit* aaaaaaaa

" while the latter goes "aaaaaaaaaaaaaaaaaaaaaaaaaaaa *hit* :-X"
Q) Other than both being fruits, what's the difference between an orange and a banana? (This might be old and repeated

)
A) They are both not apples

Q) If a man is dying, what will you give him?
Sweets? nah :-X
Salt? nah :-\
Unicorn's blood? This is not a harry potter book

Elixir of life? Find a philosipher's stone first

The answer is.. not medicines :-\ This is a PJ, remember?

(ok this is an old one. Just in case you didn't get it by now..)
Ambuja cement. Is cement me jaan hai! :o