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

(i) {3, 4} \subset A

Answers (1)
S safeer

\in {3,4} but 3\notin {1,2,{3,4},5}.

SO, {3, 4} \not \subset A

Hence,the statement is incorrect.

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