Question

Question 7 If A = {x: x is a natural number}, B ={x: x is an even natural number}

C = {x: x is an odd natural number} and D = {x: x is a prime number}, find

(i) A∩B

(ii) A∩C

(iii) A∩D

(iv) B∩C

(v) B∩D

(vi) C∩D

Class XI - Sets Page 18

Answer 1

1.{2,4,6,8,10,12,14,16,18,20,22,24......}
2.{1,3,5,7,9,11,13,15,17,19,21,23,25......}
3.{2,3,5,7,11,13,17,19,23,29,31,37,41,43,47.......}
4.{}
5.{2}
6.{3,5,7,11,13,17,19,23,29,31,37,41,...........}
Hope it helps you