Question

list the following sets in set builder form {2,3,5,7,11,13,17,19}
{3,5,7,9,11,13,15,17,19,21,23,25}
{1,4,9,16,25,36,49,64}
{ January, March, May, July, August, October, December}
{ 1, 2, 3, 4, 6, 9, 12, 3, 36}
{ 1 upon 3, 1 upon 4, 1 upon 5, and 1 upon 10}​

Answer 1

{x:x is a prime no.s}

{x : x is odd no.s}

{x:x is perfect square roots}

Answer 2

hey mate here's ur answer

1) {2,3,5,7,11,13,17,19}

Sol : { x : x is a prime no. less than 20}

2) {3,5,7,9,11,13,15,17,19,21,23,25}

Sol : { x : x is an odd no. b/w 1 and 27}

3) {1,4,9,16,25,36,49,64}

Sol : { x : x is a square of natural no.s less than 9}

4) {Jan,March,May,,July,Aug,Oct,Dec}

Sol : {x : x is a month having 31 days}