Which of the following are sets ? Justify your answer.

A collection of novels written by the writer Munshi Prem Chand.

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A collection of novels written by the writer Munshi Prem Chand is a well-defined collection because one can definitely identify a book that belongs to this collection.

Hence, this collection is a set.

Similar Questions

Which of the following are sets ? Justify your answer.

The collection of all boys in your class.

Let $S=\{1,2,3, \ldots, 40)$ and let $A$ be a subset of $S$ such that no two elements in $A$ have their sum divisible by 5 . What is the maximum number of elements possible in $A$ ?

  • [KVPY 2012]

Which of the following sets are finite or infinite.

$\{1,2,3 \ldots .\}$

Write the following sets in roster form :

$A = \{ x:x$ is an integer and $ - 3 < x < 7\} $

Let $A=\{1,2,\{3,4\}, 5\} .$ Which of the following statements are incorrect and why ?

$1 \subset A$