Write the following sets in tabular form and also in set-builder form.

$\mathrm{E}=\left\{\text{ multiples of }7\text{ less than }210\right\}$

Write the following sets in tabular form and also in set-builder form.

$\mathrm{F}=\{\text{ all }3\text{-digit numbers formed using the digits }2,0,5\text{, repetition not allowed }\}$

Identify the following as null set or singleton set.

$\mathrm{A}=\left\{\mathrm{x}|\mathrm{x}\in \mathrm{N}, 1<\mathrm{x}<2\right\}$

Identify the following as null set or singleton set.

$\mathrm{C}=\left\{\mathrm{x}|\mathrm{x} \mathrm{is} \mathrm{an} \mathrm{even} \mathrm{prime} \mathrm{number}, \mathrm{x}>2 \right\}$

Identify the following as null set or singleton set.

$\mathrm{E}=\left\{\mathrm{x}:3\mathrm{x}-1=4, \mathrm{x}\in \mathrm{N} \mathrm{is} \mathrm{even}\right\}$

Identify the following as null set or singleton set.

$\mathrm{B}=\left\{0\right\}$