Which collection will not be considered a set?
Answer and explanation
Correct answer: Collection of favourite colors
A mathematical set must be well-defined, meaning membership should not depend on an individual opinion. “Favourite colors” varies from person to person, so there is no single objective membership rule. School rooms, months, and prime digits can be identified using definite criteria, so those collections are well-defined sets.
Frequently asked questions
What is the correct answer to this question?
Collection of favourite colors
Why is this the correct answer?
A mathematical set must be well-defined, meaning membership should not depend on an individual opinion. “Favourite colors” varies from person to person, so there is no single objective membership rule. School rooms, months, and prime digits can be identified using definite criteria, so those collections are well-defined sets.
Which subject and chapter does this question cover?
This is a Class 9 Mathematics question. Chapter: Number Systems.
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