Question

Let A= {1, 2, {3, 4}, 5}. Which of the following statements are incorrect and why(according to u) ?

(i) {3, 4} ⊂ A

(ii) {3, 4}}∈ A

(iii) {{3, 4}} ⊂ A

(iv) 1 ∈ A

(v) 1⊂ A

(vi) {1, 2, 5} ⊂ A

(vii) {1, 2, 5} ∈ A

(viii) {1, 2, 3} ⊂ A.......​

Answer 1

correct

Answer:

1-is correct because that symbol refers that the no. is related to the set

2-is incorrect

-3is correct

4is incorrect

5-correct

6-correct 7-incorrect

8correct

I hope that u are understand about it

Answer 2

Answer:

4 and 6 is the correct answer