1.Sets Quiz

What is a set?

• A type of food

• A collection of objects of a particular kind

• A group of animals

• A type of weather

Which form of set representation lists all the elements within braces?

• Roster or tabular form

• Set-builder form

• Infinite set

• Empty set

What is the set of all natural numbers which divide 42 in roster form?

• {5,10,15,20,25,30,35,40}

• {2,4,6,8,10,12,14,16}

• {1,3,5,7,9,11,13,15}

• {1,2,3,6,7,14,21,42}

What is the complement of the set A={1,2,3} with the universal set U={1,2,3,4,5,6,7}?

• {4,5,6,7}

• {1,2,3,4,5}

• {1,2,3,4,5,6,7}

• {1,2,3}

What is the union of sets A={1,2} and B={3,4}?

• {5,6}

• {1,2,3,4}

• {1,2}

• {3,4}

What is the intersection of sets A={1,2} and B={2,4}?

• {1,2}

• {3,4}

• {2,4}

• {2}

What is the difference of sets A={1,2,3,4,5} and B={3,4}?

• {1,2,3,4,5}

• {5,6,7}

• {3,4}

• {1,2,5}

Which law states that the complement of the union of two sets is equal to the intersection of their complements?

• Law of double Complementation

• De Morgan’s Law

• Laws of empty set and Universal set

• Complement laws

What is the set of vowels in English alphabet in set-builder form?

• V={1,2,3,4,5}

• V={b,c,d,f,g}

• V={x : x is a vowel in English alphabet}

• V={a,e,i,o,u}

What is the set of prime numbers an example of?

• Empty set

• Finite set

• Equal set

• Infinite set