The set $A = \{ x:x \in R,\,{x^2} = 16$ and $2x = 6\} $ equals
The number of elements in the set $\{x \in R :(|x|-3)|x+4|=6\}$ is equal to
List all the elements of the following sers :
$E = \{ x:x$ is a month of a year not having $ 31 $ days ${\rm{ }}\} $
The number of elements in the set $\{ (a,\,b):2{a^2} + 3{b^2} = 35,\;a,\,b \in Z\} $, where $Z$ is the set of all integers, is
Write the following as intervals :
$\{ x:x \in R, - 12\, < \,x\, < \, - 10\} $