Sets Theory Quiz

Let A {x : x is a three digit number so that the sum of its digits is nine}. Then n(A) is

• 9

• 10

• 11

• None of these

If A { }, then A is

• null set

• infinite set

• singleton set

• disjoint set

For X {0,1,2} and Y { }, Y X− =

• {0,1,2}

• {2}

• {1}

• ∅

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

If U is a universal set and A is a non-empty set then, which of the following is true?

• A U A∪ =

• A U U∪ =

• A U U∩ =

• A A U' ∩ =

Tags

CCSS.HSS.CP.A.1

If U is a universal set and A is a non-empty set then, which of the following is not true?

• A U A' ∪ =

• A A U' ∪ =

• A A A' ∪ =

• A A' ∩ = ∅

Which one of the following pair of sets is non-disjoint?

• {x,y}, {u,v}

• {x,y}, {u,v,w}

• {x,y,z}, {u,v}

• {x,y,z}, {u,v,z}

Let A {x:x ∈ Z, x + x - 12 = 0}. Then the cardinal number of set A is

• {3}

• {3, –4}

• 1

• {1}

Tags

CCSS.HSA-SSE.B.3B

CCSS.HSF-IF.C.8A

For the set A {x:x + 2 = 0}, what is the total number of proper subsets of A?

• 1

• 2

• 3

• 4

For A {1,0,1}, B {1,1,3,5}, A B∪ =

• {1,1}

• {1,0,1,3,5}

• {1,1,3,5}

• {1,0,1}

Tags

CCSS.HSS.CP.A.1

For A {1,0,1}, B {1,1,3,5}, n(A B)∩ =

• {1,1}

• {1,0,1,3,5}

• {1,1,3,5}

• 2

Tags

CCSS.HSS.CP.A.1