Which of the following are sets? Justify your answer.
$A$ collection of the most dangerous animals of the world.
$A$ collection of the most dangerous animals of the world.
(N/A) set is defined as a well-defined collection of objects.
The collection of the most dangerous animals of the world is not a well-defined collection because the criteria for determining the 'dangerousness' of an animal can vary from person to person.
Since the criteria are subjective,this collection is not a set.
The collection of the most dangerous animals of the world is not a well-defined collection because the criteria for determining the 'dangerousness' of an animal can vary from person to person.
Since the criteria are subjective,this collection is not a set.
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Similar Questions
Let $A, B, C$ be subsets of a set $X$. Which of the following set-theoretic statements is valid?
In each of the following,determine whether the statement is true or false. If it is true,prove it. If it is false,give a counterexample.
If $A \subset B$ and $B \in C,$ then $A \in C$.
If $A \subset B$ and $B \in C,$ then $A \in C$.
Easy
View SolutionIf $aN = \{ax : x \in N\}$ and $bN \cap cN = dN$,where $b, c \in N$ are coprime numbers,then:
Medium
View SolutionIf $A$ and $B$ are two sets,then $A \cup B = A \cap B$ if and only if
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View SolutionList all the elements of the following set:
$E = \{ x : x \text{ is a month of a year not having } 31 \text{ days} \}$
$E = \{ x : x \text{ is a month of a year not having } 31 \text{ days} \}$
Easy
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