If $\theta$ lies in second quadrant, in which quadrant the following will lie?

$2\theta$

If $\theta$ lies in second quadrant, in which quadrant the following will lie?

$-\theta$

[Enter numerical value]

If $240°=\frac{4\mathrm{\pi }}{k}$ radians, then the value of $k$ is 

$-315°$  in radian measure is $-k\mathrm{\pi }$, where $k>0$. Find $k$.

$570°$ in radian measure is $\frac{k\pi }{6}$. Find $k$.

If $k°$ measure corresponding to the $\frac{5\mathrm{\pi }}{3}$, then find the value of $k$.

If $k°$ measure corresponding to the ${\left(\frac{13\mathrm{\pi }}{4}\right)}^c$, then find the value of $k$.

If the angle $-\frac{24\mathrm{\pi }}{5}$ in degree measure is $k°$, then the value of $k$ is

$35°$ in radian measure is $\frac{k\pi }{36}$. Find $k$.