A set with exactly one element is called a:
AUniversal set
BSingleton set
CEmpty set
DPower set
Answer & Solution
Correct answer: B. Singleton set
1. One element only.
2. Such a set has a special name.
3. It is a singleton set.
_Source: NCERT Class 11 Mathematics, Chapter 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:The empty set is a subset of:Is every set a subset of itself?