Of the following two statements, both of which cannot be true, but both can also be false. Which are these two statements?
I. All machines make noise
II. Some machines are noisy
III. No machine makes noise
IV. Some machines are not noisy
A. I & II
B. III & IV
C. I & III
D. II & IV
Submitted by: MuhammadC.
I & III
Submitted by: Muhammad
I & III
Submitted by: Muhammad
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