State which of the following sets are finite or infinite :

$\{ x:x \in N$ and $(x - 1)(x - 2) = 0\} $

Which of the following sets are finite or infinite.

The set of positive integers greater than $100$

Which of the following pairs of sets are equal ? Justify your answer.

$\mathrm{X} ,$ the set of letters in $“\mathrm{ALLOY}"$ and $\mathrm{B} ,$ the set of letters in $“\mathrm{LOYAL}”.$

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

What universal set $(s)$ would you propose for each of the following :

The set of isosceles triangles