State which of the following sets are finite or infinite.
(i) `{x : x in N and (x-1) (x-2) =0}` (ii) `{x : x in N and x^(2)=4}`
(iii) `{x : x in N and 2x-2=0}` (iv) `{x : x in N" is prime"}`
(v) `{x: x in N and" x is odd"}`

State which of the following sets are finite or infinite : {x : x in N" and "2x-1 =0}

State which of the following sets are finite or infinite : {x : x in N" and "x^(2)= 4}

State which of the following sets are finite or infinite : {x : x in N and x is odd}

State which of the following sets are finite or infinite : {x : x in N and x is prime}

State which of the following sets are finite or infinite : (i) { x : x ∈ N and (x – 1) (x –2) = 0 } (ii) { x : x ∈ N and x^(2) = 4 } (iii) { x : x ∈ N and 2x –1 = 0 } (iv) { x : x ∈ N and x is prime} (v) { x : x ∈ N and x is odd}

Which of the following sets are finite or infinite : {x : x in N, x lt 200}

Which of the following sets are finite or infinite : {x : x in R, 0 lt x lt 1}

Which of the following sets are empty sets ? {x : x in N, x^(2)= 9}

A= {x : x in N, x^(2)+4=0} then,

Write the following sets in roster form : C= {x : x in N, x= 2n, n in N}