The first term of an $AP$ is $p$ and the common difference is $q$, then its ${10}^{th}$ term is

Find the ${15}^{th}$ term of the arithmetic progression $6, 10, 14 ..................$ using the formula.

Write the first four terms of the following sequence whose $n^{th}$ term is:

$n^2-16$

Fill in the blanks in the following table, given that $a\mathrm{}$ is the first term, $d\mathrm{}$ the common difference and $a_n\mathrm{}$the $n\mathrm{t}\mathrm{h}$ term of the $\mathrm{A}\mathrm{P}$: