If A = {1, 2, 3} and B = {3, 2, 1}, which statement is correct?
Answer and explanation
Correct answer: A = B
Two sets are equal when they contain exactly the same elements, regardless of the order in which those elements are written. Both A and B contain 1, 2, and 3, and neither contains any additional element. Therefore, A = B. The order matters in an ordered tuple, but it does not matter in ordinary set notation. Both sets are also finite and non-empty.
Frequently asked questions
What is the correct answer to this question?
A = B
Why is this the correct answer?
Two sets are equal when they contain exactly the same elements, regardless of the order in which those elements are written. Both A and B contain 1, 2, and 3, and neither contains any additional element. Therefore, A = B. The order matters in an ordered tuple, but it does not matter in ordinary set notation. Both sets are also finite and non-empty.
Which subject and chapter does this question cover?
This is a Class 10 Mathematics question. Chapter: Sets. Topic: The Empty Set, Finite and Infinite Sets, Equal Sets.
