The collection of intelligent students in a class is ______.
A null set
A singleton set
A finite set
Not a well defined collection
Since intelligence is not defined clearly for students in a class.
i.e., It is not a well-defined collection.
⇒ It is not a set
A set is a well-defined collection of objects.
If A = {x : x = n2,n∈N,n≤4}, then which of the following statements are correct?
The collection of intelligent students in a class is