Quiz of JavaScript

quiz:

What is Javascript (Just google: wikipedia javascript and read first four paragraphs)

quiz:

Which one is not a type of variable?

quiz:

Which method is used to convert a string to an integer?

quiz:

Which company developed JavaScript? (feel free to google it)

quiz:

Which one is not a mathematical operator in JS?

quiz:

What does it mean by writing two plus signs after a number type variable?

quiz:

If you have a var age = 21; and then you write age += 8; now what will be the value of the variable age?

quiz:

Which one is an acceptable variable name?

quiz:

What will be the output of the code: console.log(17%5)