Quickly Solve this riddle

7 - 4 + 3 * 0 + 1 = ?

What does below pictogram mean?

What does this mean?

CCCCCCC

I never was there, I am always to be.
You have never ever seen me, not ever you will.
Yet I am the confidence of everyone.

Who Am I?

Solve the equation by replacing the alphabet with numbers.

MOM + MOM + NO = BOOK=

I came first on earth but second on the heaven.
I also came twice in a week but found just once in a year.
I stay away from months but you can find me in February.

What am I?

A blonde put eyeliner on her head. Why?

Open a Laptop which is password protected. Hint for the password is given as below:

1 mobile 3 books 2 Boards 1 night 4 balls 2 lighters 1 ghost 1 hat 3 watches

In a football game, Christina defeated Teresa by 2 - 0 but no man from either side scored. How can this be possible?

A man is walking down a road with a basket of eggs. As he
is walking he meets someone who buys one-half of his eggs
plus one-half of an egg.
He walks a little further and meets another person who buys
one-half of his eggs plus one-half of an egg.
After proceeding further he meets another person who buys
one-half of his eggs plus one half an egg. At this point, he
has sold all of his eggs, and he never broke an egg.
How many eggs did the man have to start with?