The numbers shown below belong to which of the following subsets of the real numbers? $\left\{-24,\ -5,\ -1,\ 11,\ 14,\ 24\right\}$  

Which statement is correct?

To which subset of the real numbers does 

 $\frac{\pi}{4}$  

Belong?

 $\frac{\pi}{4}\approx0.78539816...$  

To which real number subset(s) do the following real numbers belong?

 $\left\{-5,\ -4,\ 2,\ 3,\ 7\right\}$  

To which real number subset do the following real numbers belong?

 $\left\{14.44,\ \sqrt{25},\ 4\frac{1}{2}\right\}$  

To which real number subset do the following real numbers belong?

 $\left\{0,\ 1,\ 4,\ 8,\ 11,\ 12\right\}$  

 $\left\{-10,\ -\frac{9}{2},\ -\frac{1}{2},\ 3,\ \frac{15}{2},\ \frac{19}{2}\right\}$  

The numbers shown above belong to which of the following subsets of the real numbers?