(i) \(\sqrt{23}\) is
number.
 
(ii) \(\sqrt{256}\) is
number.
 
(iii) \(0.4872\) is
number.
 
(iv) \(7.478478…\) is
number.
 
(v) \(1.101001000100001…\) is
number.
Answer variants:
an irrational
a rational