Question

Set builder form of set A = {1, 4, 9, 16, 25,…….} will be: 

(A) {x : x is an odd natural no.) 

(B) {x : x is an even natural no.} 

(C) {x : x is square of natural no.} 

(D) {x : x is a prime natural no.}

Answer 1

Answer is (C)

Elements of set A = {1, 4, 9, 16, 25,…} are the square of 1, 2, 3, 4, 5,… respectives.