Answer:
Option 2 - Rational numbers
Step-by-step explanation:
Given : Number 
To find : Name the set(s) of numbers which belong to given number ?
Solution :
The number
is a real number.
The number is written in p/q from so the number is rational number.
If the number is rational number it is not integer, whole number, natural number as it is in form of p/q where q is not 0 or 1.
So,
is a rational number.
Therefore, Option 2 is correct.