If $p-2 q=3$ and $p q=5$, then what is the value of $\left(p^3-8 q^3\right)$ ?

-63 72 117 27

117

If $p-2 q=3$ and $p q=5$ What is the value of $\left(p^3-8 q^3\right)$  If x - y  = n then, $x^3 - y^3$ = n3 + 3 × n × xy $\left(p^3-8 q^3\right)$  = 33 + 3 × 3 × 5 × 2 $\left(p^3-8 q^3\right)$ = 27 + 90 $\left(p^3-8 q^3\right)$  = 117