The set of odd natural numbers is written {1, 3, 5, ...}. The dots mean the list:
AHas a mistake
BRepeats itself
CGoes on forever
DStops at 5
Answer & Solution
Correct answer: C. Goes on forever
1. Odd numbers never run out.
2. You cannot list them all.
3. The dots show the list continues indefinitely.
_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:A set with exactly one element is called a:The empty set is a subset of: