List all the elements of the following sers :
$A = \{ x:x$ is an odd natural number $\} $
$A = \{ x:x$ is an odd natural number $\} = \{ 1,3,5,7,9……\} $
If a set $A$ has $n$ elements, then the total number of subsets of $A$ is
What universal set $(s)$ would you propose for each of the following :
The set of isosceles triangles
Write the following sets in the set-builder form :
$\{ 1,4,9 \ldots 100\} $
Examine whether the following statements are true or false :
$\{ a,b\} \not\subset \{ b,c,a\} $
Which of the following are sets ? Justify your answer.
The collection of all natural numbers less than $100 .$
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