Question

Which of the following is a closed statement ?

A. z is a positive number

B. y is not an odd number

C. x is an odd number

D. 30 is an odd number

Answer 1

D. 30 is an odd number.

Explanation:

It always remains false. No matter how much you prove, it will continue to be an even number.

[A closed statement or equation that is always true or always false.]