What does n of S count?
AIts estimates
BIts elements
CIts equations
DIts endings
Answer & Solution
Correct answer: B. Its elements
1. The notation is used to decide finiteness.
2. It returns a number for the set.
3. If n of S is a natural number, then S is a non-empty finite set.
4. So the answer is its 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: