Sets = beginners level

Which of the following contains the combined elements of set A and set B?

• A ∩ B

• A ∪ B

• A - B

• A'

If set A = {1, 2, 3} and set B = {3, 4, 5}, what is A ∩ B?

• {2, 5}

• {3}

• {1, 2, 3, 4, 5}

• {1, 4}

If set A = {1, 2, 3, 4} and set B = {3, 4, 5, 6}, what is A ∪ B?

• {1, 2}

• {5, 6}

• {1, 2, 5, 6}

• {1, 2, 3, 4, 5, 6}

Based on the given set, what is A ∩ B ?

• {1, 2, 3}

• {4, 5, 6}

• {7, 8, 9}

• {10}

The objects in the set are also called ____________.

• Elements

• Sample

• Character

• Input

This is a set with no elements.

• Singleton Set

• Null Set

• Subset

• No Set

This is the number of elements of a set.

• Number

• Width

• Cardinality

• Value

Two sets are __________ if they contain exactly the same elements.

• Equal

• Subset

• Proper Subset

A set A is called a __________ of B if every element of A is also an element of B.

• Proper Subset

• Power Set

• Subset

• Disjoint

Which of the following is a subset of set C = {a, b, c, d}?

• {a, e}

• {c, d, e}

• {b, c}

• {a, b, e}