Finite set

Infnite set

null set

Empty set

Finite set

Infinite set

Cardinal number

Union

=

None of these

{ x/ x is a day in a week } 

{ x /x is a month in an year }

{x/x is the alternate day in a week }

{ x/x is the day of week whose name begins with T }

{x : x is a natural number}

{x : x is a whole number <6}

{x : x is a natural number <6}

{x : x is an integer <6}

{1, 2, 3} = {3, 2, 1}

{a, b, c} = {A, B, C}

{x : x is a letter of the word 'SINCE'} = {x : x is a letter of the word 'SCIENCE'}

3W

2  { 0, 1, 2, 3, 4, 5 }

2  {0, 1, 3, 4, 5 }

2  {1, 2, 3, 4, 5 }

2  {1,2 , 3, 4, 5 }

{u, o, i,e}

{u, o,o,i,e}

{u,s,o,i,e}

{u,o,r,i,e}

{ x / x is a perfect cube }

{ x / x is a multiple of 3 }

{ x /x is a perfect square }

{ x/x is an even number }

{P,E, N,C,I,L}

{P,N,C,I,L}

{P,E,N,C,L}

{ P,E,N,CI}