When monkey rotate the gear, which mark will be hit 1 or 2 ?

What is the below Rebus indicate?

In four steps you need to move the word 'cold' From 'warm' by replacing one alphabet at a time such that every word formed at each step is acceptable in English Dictionary.

It is a nine-letter word.
The exact opposite of the phrase "friendly and outgoing"
It contains the word "over".
It starts will a vowel.

What is it?

What does this simple rebus mean?

What famous saying does this rebus mean?

COME SERVED <---
COME SERVED
COME SERVED
COME SERVED
COME SERVED

Can you start the fire using two pieces of wood?

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

The teacher told the student that if he told a lie then he will be expelled from school and if he told the truth then he still is expelled from school.

What can a student say to prevent his being expelled from school?

Replace the question mark with the number below given a simple math problem.