Answer: The correct option is
(C) irrational because it is a non-terminating and non-repeating decimal.
Step-by-step explanation: We are to select the correct statement for the following number:

Rational number: a number is said to be rational if the digits after the decimal are either terminating or repeating.
Irrational number: a number is said to be irrational if the digits after the decimal are non-terminating and non-repeating.
Given number is

Since the digits after the decimal and neither terminating nor repeating, so the given number is IRRATIONAL.
Thus, the number is irrational because it is a non-terminating and non-repeating decimal.
Option (C) is CORRECT.