Quickly Solve this riddle

7 - 4 + 3 * 0 + 1 = ?

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

A woman lives in a skyscraper thirty-six floors high and is served by several elevators which stop at each floor going up and down. Each morning she leaves her apartment and goes to one of the elevators. Whichever one she takes is three times more likely to be going up than down. Why?

What animal walks on four legs in the morning, two legs during the day, and three legs in the evening?

Oedipus, the king of Thebes, figured out the answer to the riddle:

Who is generally closer to the kids, mom or dad?

(it's a funny riddle)

Solve The below Equation:

ALFA + BETA + GAMA = DELTA

I am an eight letter word and I am a computer terminology.
The second, third and fourth letters make an animal.
The fourth, fifth, sixth, seventh and eighth letters make a weapon.
The first, second, third and fourth letters can be taken as an outcome of any exam.
The fifth, sixth, seventh and eighth letter combine to form a high end typing software.

Can you tell who am I ?

Can you replace the question mark with the correct number in the below table sequence?

what does the below rebus mean?

What kind of band never plays music?