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Questions and Answers
What is the cardinality of set A∩B?
What is the cardinality of set A∩B?
- 1
- 0
- 3
- 2 (correct)
What is the cardinality of set A∪B?
What is the cardinality of set A∪B?
- 6 (correct)
- 7
- 5
- 3
What is the cardinality of set X∪Y∪Z?
What is the cardinality of set X∪Y∪Z?
- 6
- 7 (correct)
- 8
- 5
What is the cardinality of set X-(Y∩Z)?
What is the cardinality of set X-(Y∩Z)?
What is the value of n(A∪B) if A⊂B?
What is the value of n(A∪B) if A⊂B?
What is the cardinality of A∩B when A and B are disjoint sets?
What is the cardinality of A∩B when A and B are disjoint sets?
If U={1,2,3,4,5,6,7,8,9,10}, A={1,2,4,8}, and B={5,10}, what is the cardinality of U−(A∪B)?
If U={1,2,3,4,5,6,7,8,9,10}, A={1,2,4,8}, and B={5,10}, what is the cardinality of U−(A∪B)?
In the context of overlapping sets A and B, what is the value of n(A∪B) if n(A)=5 and n(B)=4?
In the context of overlapping sets A and B, what is the value of n(A∪B) if n(A)=5 and n(B)=4?
What is the cardinality of only A (A-B) if n(A)=5 and n(A∩B)=2?
What is the cardinality of only A (A-B) if n(A)=5 and n(A∩B)=2?
Why did the earth-centred model of the solar system fail?
Why did the earth-centred model of the solar system fail?
Why do bodies fall towards the surface of the earth according to the text?
Why do bodies fall towards the surface of the earth according to the text?
What change did Nicholas Copernicus bring about in the understanding of the solar system?
What change did Nicholas Copernicus bring about in the understanding of the solar system?
What was the significant contribution of Nicholas Copernicus to astronomy?
What was the significant contribution of Nicholas Copernicus to astronomy?
What was the prevailing belief about the solar system before Nicholas Copernicus proposed his theory?
What was the prevailing belief about the solar system before Nicholas Copernicus proposed his theory?
What did Galileo observe about the satellites of Jupiter?
What did Galileo observe about the satellites of Jupiter?
What did Newton name the force of attraction between any two bodies in the universe?
What did Newton name the force of attraction between any two bodies in the universe?
Why is Newton's law of gravitation called universal law?
Why is Newton's law of gravitation called universal law?
What is responsible for the tides in seas and oceans according to the text?
What is responsible for the tides in seas and oceans according to the text?
What is the effect of a body with small mass on a body with big one according to the text?
What is the effect of a body with small mass on a body with big one according to the text?
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