Which of the following are sets? Justify your answer.
The collection of all boys in your class.

Which of the following are sets? Justify your answer. The collection of all odd integers.

Which of the following are sets? Justify your answer. The collection of all boys in the eleventh class of a particular school.

Which of the following are sets? Justify your answer. The collection of all boys in the eleventh class of a particular school.

Which of the following are sets? Justify your answer. The collection of all even integers.

Which of the following are sets? Justify your answer : The collection of all prime numbers.

Which of the following are sets ? Justify your answer. The collection of all even integers.

Which of the following are sets ? Justify your answer. The collection of all even integers.

Which of the following are sets ? Justify your answer. The collection of all even integers.

Which of the following are sets ? Justify your answer. The collection of all even integers.

Which of the following are sets ? Justify your answer. The collection of all even integers.