Check whether the given phrase describes a well-defined set on not.
“All honest students in your class”
It is not a well defined set because it is not possible to identify the honest students in a class. Hence it will not have well defined elements.
Check the given collection is set? If not a set, give reason
Intelligent boys of your class
Check whether the given phrase describes a well-defined set or not.
“All odd natural numbers less than 40.”
Check whether the given phrase is a well-defined set or not.
“All rich cricket players in your country.”
“Collection of months of a year having four Sundays.”
“The people in your immediate family (father, mother, sisters and brothers).”