Finite set

Infinite set

Null set

Empty set

{ x/x is a vowel in English alphabet }

{ x/x is a consonant in English alphabet }

{ x/x is a letter in English alphabet }

{ x / x is a letter in the word  ' aeroplane'.

{2, 3, 6, 9}

{1, 2,3, 6, 9}

{1, 2, 3, 6, 9, 18}

{2, 3, 6, 9, 18}

Finite set

Infnite set

null set

Empty set

5A

10A

{9}EA

{11}A

{ 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 }

{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

{ 0, 1, 3, 5, 7, 9, 11, 13 }

{ 1, 3, 5, 7, 9, 11, 13, 15 }

{ 1, 3, 5, 7 9, 11, 13 }

{ 3, 5, 7, 9, 11, 13,15 }

{ Sunday }

{ Saturday }

{ Sunday, Saturday }

None of these

{ W,E,S,T,B,N,G,A,L}

{ E, A}

{W, S, T, B, N, G, L}

{W, S, E, A, T}