Math 6

Question Analysis
This question involves arithmetic operations on natural numbers.
The main focus is to test students' understanding of how addition, multiplication, division, and subtraction behave within the set of natural numbers, especially when dealing with larger values.

Key Concept Explanation
Natural numbers are positive integers starting from 1.
Addition and multiplication of natural numbers always result in natural numbers (closure property).
Division of natural numbers may or may not result in a natural number, depending on whether the division is exact.
Subtraction of natural numbers results in a natural number only when the minuend is greater than or equal to the subtrahend; otherwise, the result is not a natural number.

Step-by-Step Solution
1. Analyze Option A: , which is a positive integer and thus a natural number.
2. Analyze Option B: , which is a positive integer and a natural number.
3. Analyze Option C:

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