Set B is the set of months of a year that have 31 days. What type of set is B?
Answer and explanation
Correct answer: Finite set
The months having 31 days are January, March, May, July, August, October, and December. There are exactly seven such months, and this list can be completely counted and has a final element. A set with a fixed, countable number of elements is called a finite set. Therefore, B is finite, not empty or infinite.
Frequently asked questions
What is the correct answer to this question?
Finite set
Why is this the correct answer?
The months having 31 days are January, March, May, July, August, October, and December. There are exactly seven such months, and this list can be completely counted and has a final element. A set with a fixed, countable number of elements is called a finite set. Therefore, B is finite, not empty or infinite.
Which subject and chapter does this question cover?
This is a Class 10 Mathematics question. Chapter: Sets. Topic: The Empty Set, Finite and Infinite Sets, Equal Sets.
