What is the word or phrase?

What word does this rebus represent?

meta meta
meta meta

A man and a dog were going down the street. The man rode, yet walked. What was the dog’s name?

A man hijacks an aeroplane transporting both passengers(8 of them) and valuable cargo. After taking the cargo, the man demands nine parachutes, puts one of them on, and jumps, leaving the other eight behind. Why did he want eight?

Considering the below equation:

V + II - VI = 10
IV - X + VIII = 20
IV - VII + VI = 30

Then, I + II + III = ?

What goes up but never comes down?

There are people and strange monkeys on this island, and you can not tell who is who (Edit: until you understand what they said - see below). They speak either only the truth or only lies.
Who are the following two guys?
A: B is a lying monkey. I am human.
B: A is telling the truth.

You can hear me, but you can't touch or see me.

What am I?

Count the number of triangles in the given picture.

Which fur should we be getting from the Lion?