Which of the following are sets? Justify your answer.
A team of eleven best cricket batsmen of the world.

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

Which of the following are sets ? Justify your answer. A collection of most dangerous animals of the world.

Which of the following are sets ? Justify your answer. A collection of novels written by the writer Munshi Prem Chand.

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 questions in this Chapter.

Which of the following are empty sets? Justify your answer. Set of integers which lie between 2 and 3.

Which of the following are empty sets? Justify your answer. Set of integers which lie between 2 and 3.

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

Which of the following are empty sets? Justify your answer. Set of natural numbers that are smaller than 1.

Which of the following are empty sets? Justify your answer. Set of natural numbers that are smaller than 1.