What breaks yet never falls, and what falls yet never breaks?

If we change the South-East direction into North and North-East into West and all others similarly.
Can you find out which direction will be in the place of South-West direction?

A Shopkeeper collects 71 rupees in the form of 20 paisa and 25 paisa.
He collects a total of 324 coins.

Can you tell me how many number of 20-paisa and 25-paisa he got?

Can you solve the tricky chess rebus puzzle below by ciphering the hidden meaning?

I am white when I am dirty, and black when I am clean. What am I?

I am a type of word that is spelt incorrectly or used differently, on purpose for humour. What am I?
Hint 1: You can find me in a joke.
Hint 2: I am a play on words.

Find The Next Number In The Sequence

30 10 15 13 0 16 -15 ?

Use only one mathematical symbol and all numbers (0-9) to get a sum of 99

What comes
Once in a Year
Twice in a Month
4 times in a Week
6 times in a Day

Buy me, smell me or deliver me, I do not change.

Who am I?