If A is the set of names of the days in a week, how many elements will A have?
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Answer and explanation
Correct answer: 7
A standard week has seven named days: Monday, Tuesday, Wednesday, Thursday, Friday, Saturday, and Sunday. Each name is a distinct element of the set A. Since the list is fixed and contains exactly seven different names, A is a finite set with cardinality 7. Therefore, option C is the correct answer.
Frequently asked questions
What is the correct answer to this question?
7
Why is this the correct answer?
A standard week has seven named days: Monday, Tuesday, Wednesday, Thursday, Friday, Saturday, and Sunday. Each name is a distinct element of the set A. Since the list is fixed and contains exactly seven different names, A is a finite set with cardinality 7. Therefore, option C is the correct answer.
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.
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