What is the word or phrase?

What does below pictogram mean?

Get total of 120 by using five zeros 0,0,0,0,0 and any one mathematical operator.
Do you ?

Which is faster, Heat or Cold ? Explain.

Can you identify if it's a murder or a suicide ?

How can you make the following equation true by drawing only one straight line: 5+5+5=550 ?

You are driving down the road in your car on a wild, stormy night, when you pass by a bus stop and you see three people waiting for the bus

An old lady looks as if she is about to die.
An old friend who once saved your life.
The perfect partner you have been dreaming about.
Knowing that there can only be one passenger in your car, whom would you choose?

Why do Chinese men eat more rice than Japanese men do ?

What number comes next in this sequence:
7 8 5 5 3 4 4 _

No one wants to have it, but if one got it, he does not want to lose it. What is It?