State which of the following are sets and which are not:
D=A group of beautiful girls of your class.

State which of the followings are null set?

State which of the following are sets and which are not: C=A group of your school teachers,

State which of the following are sets and which are not: A=A group of students of class-IX having heights from 4ft to 5ft,

State which of the following are sets and which are not: B=A group of intelligent womens in your para,

State which of the following is a null set?

State which of the following sets is an infinite set?

State which two of the following four sets are equal?

State which of the following sets are empty and which are not? Set of even prime numbers.

State whether one of the followings are sets and which one are not: D=Set of irrational numbers.

State whether one of the followings are sets and which one are not: B=The brilliant students of class IX,