The set $A = \{ x:x \in R,\,{x^2} = 16$ and $2x = 6\} $ equals

- A
$\phi $

- B
$\{14, 3, 4\}$

- C
$\{3\}$

- D
$\{4\}$

Make correct statements by filling in the symbols $\subset$ or $ \not\subset $ in the blank spaces:

$\{a, b, c\} \ldots\{b, c, d\}$

Write the following sets in the set-builder form :

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

Given the sets $A=\{1,3,5\}, B=\{2,4,6\}$ and $C=\{0,2,4,6,8\},$ which of the following may be considered as universal set $(s)$ for all the three sets $A$, $B$ and $C$

$\{ 0,1,2,3,4,5,6\} $

Which of the following sets are finite or infinite.

The set of prime numbers less than $99$

Write the set $A = \{ 1,4,9,16,25, \ldots .\} $ in set-builder form.