# Worksheet: Types of Sets

In this worksheet, we will practice determining different types of sets.

Q1:

Is the set “letters in the English alphabet” finite, infinite, or null?

• AInfinite
• BFinite
• CNull

Q2:

Is the following set null or not?

The set of Arabic countries in Australia.

• Anot null
• Bnull

Q3:

Is the following set null or not?

The set of triangles with 4 sides.

• Anot null
• Bnull

Q4:

What is the name of a set which has no elements?

• Anull set
• Binfinite set
• Cfinite set

Q5:

Is the set of Egyptian governorates in Asia null or not?

• ANull
• BNot null

Q6:

Is the following set null or not?

The set of students in your class who have been to the moon.

• Anull
• Bnot null

Q7:

Is the following set null or not?

The set of the governerates in Upper Egypt that are located on the Mediterranean Sea.

• Anot null
• Bnull

Q8:

Is the following set null or not?

The set of even numbers less than 2.

• ANull
• BNot null

Q9:

Which of the following choices is an infinite set?

• Athe set of whole numbers less than 84
• Bthe set of whole numbers between 7 and 343
• Cthe set of multiples of 7 smaller than 343
• Dthe set of multiples of the number 4

Q10:

A set that has a limited number of elements is called a/an set.

• Anull
• Bfinite
• Cinfinite

Q11:

A set that has an unlimited number of elements is called a/an set.

• Ainfinite
• Bfinite
• Cnull

Q12:

Sets that contain the same number of elements are called .

• Aequivalent sets
• Bdifferent sets
• Cequal sets