Value of 0!

Q.

Explain zero factorial.

Q. Factorial of negative numbers is not defined.

1. True
2. False

Q.

What is the full form of wont -

Q. Find the value of $\frac{2022!\times 0!}{2021!}.$

1. $0$
2. $2021$
3. $2022$
4. None of the above

Q. The value of $3!\times 0!$ is .

Q.

What is the value of $n!$ by formula?

Q. The value of the $0!$ is .

Q. Is the value of $0!$ not defined?

1. Yes
2. No