If A = {1, 3, 5} and B = {1, 3, 5, 7}, which relation is correct between A and B?
Answer and explanation
Correct answer: A ⊂ B / A is a proper subset of B
A is a subset of B because every element of A—1, 3, and 5—is also present in B. The sets are not equal because B contains one additional element, 7, which is absent from A. Therefore A is a proper subset of B, written as A ⊂ B. A proper subset must be contained in the larger set and must not be equal to it.
Frequently asked questions
What is the correct answer to this question?
A ⊂ B / A is a proper subset of B
Why is this the correct answer?
A is a subset of B because every element of A—1, 3, and 5—is also present in B. The sets are not equal because B contains one additional element, 7, which is absent from A. Therefore A is a proper subset of B, written as A ⊂ B. A proper subset must be contained in the larger set and must not be equal to it.
Which subject and chapter does this question cover?
This is a Class 10 Mathematics question. Chapter: Sets. Topic: Equal sets and Subsets.
