Of the following two statements, both of which cannot be true, both can also be false. Which are these two statements?I. All machines make noiseII. Some machines are noisyIII. No machine makes noiseIV. Some machines are not noisy

Of the following two statements, both of which cannot be true, both ca

1.	Of the following two statements, both of which cannot be true, both can also be false. Which are these two statements?I. All machines make noiseII. Some machines are noisyIII. No machine makes noiseIV. Some machines are not noisy
A.	I & II
B.	III & IV
C.	I & III
D.	II & IV
Answer» D. II & IV

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Of the following two statements, both of which cannot be true, both can also be false. Which are these two statements?I. All machines make noiseII. Some machines are noisyIII. No machine makes noiseIV. Some machines are not noisy

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