Class 11th Maths Textbook Chapter 1: Sets Exercise 3: Subsets and Universal Set Question 3 (vii) Solution

Question

Let A = {1, 2, {3, 4}, 5}. Which of the following statements are incorrect and why? (vii) {1, 2, 5} $\in$ A

Accepted Answer

Determine whether {1, 2, 5} is an element of set A.
 {green}	extbf{Answer: Incorrect}|||	extbf{Reason: Although 1, 2, and 5 are elements of set A, the set \{1, 2, 5\} itself is not an element of set A. Therefore, the given statement is incorrect.}{/green}

Question: 3 (vii)

Answer