Teaching BPSC 4.0 बिहार उच्च माध्यमिक शिक्षक भर्ती (PGT) Mock Test Mathematics Relations and Functions
Which of the following is/are examples of empty sets?
I. A = {x ∶ x + 3 = 3, x ϵ I}
II. B = {x ∶ x is a positive even integer and prime}
III. C = {x ∶ x2 = 16, x is odd integer}
Select the correct answer using the codes given below
1
Only I
2
I and III
3
Only III
4
More than one of the above
5
None of the above