Sets

Question: If |A|=9, |B|=12, and |A ∩ B|=3, what is |A ∪ B|? 19 18 17 20 Correct Answer: B […]

Question: If |A|=14, |B|=21, and |A ∩ B|=4, what is |A ∪ B|? 32 31 30 33 Correct Answer: B […]

Question: If |A|=20, |B|=20, and |A ∩ B|=3, what is |A ∪ B|? 37 38 36 39 Correct Answer: A […]

Question: If |A|=13, |B|=18, and |A ∩ B|=3, how many elements are only in A? 10 11 9 12 Correct […]

Question: If |A|=22, |B|=26, and |A ∩ B|=5, how many elements are only in A? 18 16 19 17 Correct […]

Question: How many proper subsets does a set containing 8 elements have? 256 254 257 255 Correct Answer: D — […]

Question: How many proper subsets does a set containing 12 elements have? 4096 4094 4097 4095 Correct Answer: D — […]

Question: If |A|=8, |B|=22, and |A ∩ B|=5, what is |A ∪ B|? 26 24 25 27 Correct Answer: C […]

Question: If |A|=19, |B|=17, and |A ∩ B|=2, how many elements are only in A? 18 16 17 19 Correct […]

Question: How many subsets does a set containing 6 elements have? 65 63 64 66 Correct Answer: C — 64 […]