EMPTY SETS

Is the set that contains no element

• Empty Set

• Subset

• Set

• Null Set

Which of the following are the examples of an empty set?

• The set of even natural numbers divisible by 3.

• The set of all prime numbers divisible by 2.

• The set of odd natural numbers divisible by 2.

• B = {O}

Which of the following are the examples of an empty set?

• C = { }

• D = {x : x ∈ R, x² = -1}

• E = {x : x ∈ W, 3x + 1 = 2}

• P = {x : x is a prime number, 54 < x < 58}

Which of the following are null sets?

• Odd numbers which are divisible by 2

• The positive integers which are less than -1

• The months of the year with 28 days

• The sets of counting numbers less than 0

Which of the following are null sets?

• Odd numbers which are divisible by 2

• The positive integers which are less than -1

• The months of the year with 28 days

• The sets of counting numbers less than 0

The symbol

 $\phi$  is used to represent.

• set

• null set

• subset

• empty set

The following shows an empty sets except

• The set of months with 32 days

• The set of dogs with six legs

• The set of cars with 20 doors

• the set of vowels in English Alphabet