Question

Let A ={1,2,{3,4},7}. Which of the following statements are incorrect and why?
(i) {1,2} ∈ A
(ii) {1,2,7} ⊂ A
(iii) {5,6} ⊂ A
(iv) {Ф} ⊂ A

Answer 1

hope it helps plz mark me as brainliest