# Worksheet: Types of Sets

Q1:

Is the following set null or not?

The set of triangles with 4 sides.

• Anull
• Bnot null

Q2:

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

• AInfinite
• BNull
• CFinite

Q3:

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

• Afinite set
• Binfinite set
• Cnull set

Q4:

Which of the following choices is an infinite set?

• A the set of multiples of 7 smaller than 343
• B the set of whole numbers less than 84
• C the set of whole numbers between 7 and 343
• D the set of multiples of the number 4

Q5:

Is the following set null or not?

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

• Anull
• Bnot null

Q6:

Is the following set null or not?

• Anot null
• Bnull

Q7:

Is the following set null or not?

The set of Arabic countries in Australia.

• Anull
• Bnot null

Q8:

Is the following set null or not?

The set of Egyptian governerates in Asia.

• Anot null
• Bnull

Q9:

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

• Anull
• Binfinite
• Cfinite

Q10:

Is the following set null or not?

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

• Anull
• Bnot null

Q11:

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

• Afinite
• Bnull
• Cinfinite

Q12:

Sets that contain the same number of elements are called .

• A equal sets
• B different sets
• C equivalent sets