The number of non-empty subsets of the set $\{1, 2, 3, 4\}$ is
$15$
$14$
$16$
$17$
Which of the following sets are finite or infinite.
The set of prime numbers less than $99$
What universal set $(s)$ would you propose for each of the following :
The set of isosceles triangles
Write the following as intervals :
$\{ x:x \in R, - 4\, < \,x\, \le \,6\} $
List all the elements of the following sers :
$D = \{ x:x$ is a letter in the word $"\mathrm{LOYAL}" $ $\} $
Which of the following are sets ? Justify your answer.
The collection of questions in this chapter.