Which of the following is a finite set?

• A = {1, 2, 3, ...}

• B = {2, 4, 6, ...}

• C = {a, b, c, ..., z}

• D = {1, 3, 5, ...}

Which of the following is not a set?

• The set of fragrant flowers in the garden

• The set of girls wearing eyeglasses.

• The set of Grade 7 teachers.

• The set of students who lives in Bin Mahmoud.

It is a collection of well-defined, distinct objects.

Which one of the following sets is infinite?

• The set of whole numbers less than 10

• The set of integers less than 10

• The set of prime numbers less than 10

• The set of factors of 10

Set A is the set of factors of 16. Which one of the following is not a member of A?

• 2

• 4

• 8

• 3

Which one of the following is the null set?

• The set of subsets of the null set

• The set of factors of 7

• The set of even prime numbers

• The set of rational expressions for π

If A = {1, 3, 5, 7, 9} and B = {2, 3, 5, 7}, what is A ∪ B?

• {3, 5, 7}

• {2, 3, 5, 7, 9}

• {2, 3, 5, 7}

• {1, 2, 3, 5, 7, 9}

If A = {1, 3, 5, 7, 9} and B = {2, 3, 5, 7}, what is A ∩ B?

• {3, 5, 7}

• {2, 3, 5, 7, 9}

• {2, 3, 5, 7}

• {1, 2, 3, 5, 7, 9}

The figure illustrates which operation of sets?

• Difference of Sets

• Intersection

• Union

• Complement

Which of the following illustrates Union of Sets?

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