If and are natural numbers, and , then which of the following must be a natural number?
Options
A
B
C
D
Answer & Analysis
Answer
A
Analysis
Question Analysis
This question focuses on the results of subtraction and division operations involving natural numbers when one number is smaller than the other.
The main focus is to test students' understanding of how the order of operands affects the result within the set of natural numbers.
Key Concept Explanation
When subtracting two natural numbers, if the minuend () is greater than the subtrahend (), the result () is a positive integer, which is a natural number.
Step-by-Step Solution
Analyze Option A:
Since , will be a positive value.
For example, if and , then , which is a natural number. So, Option A is correct.
Analyze Option B:
When , will be negative.
For instance, if and , then
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