Fsc Part 1 Mathematics (Complete Solution)

Q3
Which of the following sets are finite and which of these are infinite?

(i) The set of students of your class.

Ans: Finite

(ii) the set of all schools in Pakistan.

Ans:Finite

(iii) The set of natural numbers between 3 and 10.

Ans:Finite

(iv) The set of rational numbers between 3 and 10.

Ans: Infinite

(v) The set of real numbers between 0 and 1.

Ans: Infinite

(vi) The set rationales between 0 and 1

Ans: Infinite

(vii) The set of whole numbers between 0 and 1

Ans:Finite

(viii) The set of all leaves of trees in Pakistan.

Ans:Finite

(ix) P(N)

Ans: Infinite

(x) P{a,b,c}

Ans:Finite

(xi) {1,2,3,4,...}

Ans: Infinite

(xii) {1,2,3,......,100000000}

Ans:Finite

(xiii) {xlx∈∧x≠x}

Ans:Finite

(xiv) {xlx∈∧x2=-16}

Ans:Finite

(xv) {xlx∈Q∧x2=5}

Ans:Finite

(xvi) {xlx∈Q∧0≤x≤1}

Ans: Infinite

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