Answer:
all of the above
Step-by-step explanation:
The number 25 is a natural number as it belongs to the set [1,2,3,4,5,......]
The number 25 is a whole number as it belongs to the set [0,1,2,3,4,5,......]
The number 25 is an Integer as it belongs to the set [...,-5,-4,-3,-2,-1,0,1,2,3,4,5,...]
The number 25 is a rational number as it can be expressed as [tex]\[\frac{25}{1}\][/tex]
For the same reason , number 25 is a real number as it belongs to the set of rational numbers.
So the correct option is "all of the above".