Question

Given the sets A = {1, 3, 5}, B = {2, 4, 6} and C = {0, 2, 4, 6, 8}, which of the following may be considered as universal set (s) for all the three sets A, B and C
(i) {0, 1, 2, 3, 4, 5, 6}
(ii) φ
(iii) {0,1,2,3,4,5,6,7,8,9,10}
(iv) {1,2,3,4,5,6,7,8}
NCERT Solutions for Class 11th Mathematics Chapter 1 Exercise 1.3 91 upon 1 into 2 + 1.2 into 3 dash dash + 1 upon 9 into 10 is equal to what how

Answer 1

the set which will contain all the three set A B AND C
WILL CONSIDERED AS UNIVERSAL SET
SO
1 ST AND 2ND ARE NOT
WHILE 3RD AND 4 TH ARE UNIVERSAL SET