Which of the following are sets ? Justify your answer.

The collection of ten most talented writers of India.

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The collection of ten most talented writer of India is not a well-defined collection because the criteria for determining a writer's talent vary from person to person.

Hence, this collection is not a set.

Similar Questions

Write the following intervals in set-builder form :

$\left[ { - 23,5} \right)$

Write down all the subsets of the following sets

$\emptyset $

Write the set $\left\{\frac{1}{2}, \frac{2}{3}, \frac{3}{4}, \frac{4}{5}, \frac{5}{6}, \frac{6}{7}\right\}$ in the set-builder form.

Which of the following are sets ? Justify your answer.

The collection of all natural numbers less than $100 .$

Write the following sets in the set-builder form :

${\rm{\{ 5,25,125,625\} }}$