Question: Which of the following must always be false? a. e > 12 AND e < 15 b. e = 10 OR e = 20 c.

Which of the following must always be false?

a. e > 12 AND e < 15

b. e = 10 OR e = 20

c.  e > 12 OR f > 12

d. e > 10 AND e < 7

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