When are two sets equal?
ASame entries
BSame elements
CSame endings
DSame extent
Answer & Solution
Correct answer: B. Same elements
1. Equality of sets is about membership.
2. It is not about the order they are written in.
3. Two sets are equal if they have exactly the same elements.
4. So the answer is same elements.
_Source: NCERT Class XI Mathematics, Ch 1 'Sets'_
Related questions
U = {1, 2, ..., 10} and A = {1, 3, 5, 7, 9}. The complement of A is:A = {2, 4, 6, 8} and B = {6, 8, 10, 12}. In A union B the elements 6 and 8 appear:In a Venn diagram the universal set is usually drawn as a:The collection of all subsets of A is called the:How many subsets does {1, 2} have?The open interval (a, b) leaves out:A set with exactly one element is called a:The empty set is a subset of: