Which Burger Is Different in below image?

Which is the rope you never skip with?

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?

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

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?

Can you replace the question mark with the correct number?

You have two buckets of 11 liters and 6 litres.
How can you measure exactly 8 litres?

Which number should replace the question mark?

A little girl goes to the store and buys one dozen eggs. As she is going home, all but three break. How many eggs are left unbroken?

What runs around the whole yard without moving?