Which of the following set is not possible?

Write solution set of equation x2-3x+2=0 in roster form.

Write the set {x : x is an integer and x2-9=0} in roster form.

If the number of elements in a set S are 5. Then the number of elements of the power set P(S) are?

If x ≠ 1, and f(x) = x + 1 / x – 1 is a real function, then f(f(f(2))) is

In 3rd Quadrant?

{ (A, B) : A² +B² = 1} on the sets has the following relation,

Reflexive

Symmetric

None

Reflexive and transitive

Let R= {(x, y) : x, y belong to N, 2x + y = 41}. The range is of the relation R is,

{(2n – 1) : n belongs to N, 1 ≤ n ≤ 20}

{(2n + 2) : n belongs to N, 1 < n < 20}

{2n : n belongs to N, 1< n< 20}

{(2n + 1) : n belongs to N , 1 ≤ n ≤ 20}

Every set is a ___________ of itself.

None of the above

Improper subset

Compliment

Proper subset

Which of the following sets are null sets?

{x: |x |< -4, x ?N}

2 and 3

Set of all prime numbers between 15 and 19

{x: x < 5, x > 6}