Consider that the given number is '-5'.
In all the mentioned choices, the classifications are given as, natural numbers, terminating decimal, rational, integer, whole number.
Let us discuss -5 for each of these classifications one at a time:
Natural Number:
The integer number equal to 1 or greater than 1, are termed Natural Numbers. Since -5 does not satisfy this condition, that is, -5 is not greater than 1. So it cannot be called a natural number.
Rational Number:
A real number is said to be rational is it can be written in the form p/q such that 'q' must be non-zero. The number -5 can be represented as -5/1, that satisfies the condition. So thcan be considered as rational.