Math 6

Question Analysis
This question checks your understanding of whether a number could exist in the natural number set without being an integer.
The main focus is set inclusion and logical comparison between number sets.

Key Concept Explanation
Natural numbers: {1, 2, 3, ...}
Integers: {..., –3, –2, –1, 0, 1, 2, 3, ...}
Since all natural numbers are a subset of integers, any natural number is also an integer.

Step-by-Step Solution
A. –1 → Not natural
B. 2 → Natural and integer
C. 0 → Not natural
None of the above → ✅ correc...