Mathematics in the Modern World - Q1

If every element in set A is also in set B, then...

• Set A and set B are equal sets.
• Set A is a subset of set B.
• Set A and set B are disjoint sets.
• Set A is a superset of set B.

What type of set is denoted as either { } or ∅?

• Superset

• Empty (or Null) Set

• Disjointed Set

• Subset

What does this symbol ( ∩ ) represent in set theory?

• Difference
• Intersection
• Complement
• Union

If Set A contains the letters in the word SISTER. Which of the following is set A? Write your answer.

A group or collection of objects is called

• A group or collection of objects is called a 'element'.

• A group or collection of objects is called a 'set'.
• A group or collection of objects is called a 'list'.

• A group or collection of objects is called a 'group'.

The set of all whole numbers is not a well-defined set?

• True
• Partially true
• Not sure
• False

If U = {1, 3, 5, 7, 9, 11, 13}, which of the following is a subset of U?

• M = {2, 4}

• N = {0}

• O = {4, 5, 13}

• P = {5, 11, 1}

Given that set 

A = {3, 5, 7, 9}

B = {2, 4, 6, 8, 10, 12}

C = {2, 4, 8, 12}

which of the following is correct?

• A is a subset of B

• C is a subset of B

• B is a subset of C

• A is a subset of C

Every set must have in numbers?

• Yes, every set must contain the number 7
• No, every set must contain only even numbers
• Yes, every set must contain only odd numbers
• No, every set does not have to contain numbers. A set can contain any type of elements, including numbers, letters, or other types of data.

Given A = {1, 3, 6, 8, 9, 12, 15} and B = {6, 9, 12}, which is TRUE?

• A and B are disjoint

• A and B are empty sets

• A and B are intersecting sets

• B is a subset of A