Q.3 Let A = { 1, 2, { 3, 4 }, 5 }. Which of the following statements are incorrect and why?

(vii) {1,2,5} \in A

Answers (1)
S safeer

Here,{1,2,5} is not an element of  { 1, 2, { 3, 4 }, 5 }.

So,{1,2,5} \notinA .

Hence, statement is incorrect.

 

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