A Question is given followed by two Statements I and II. Consider the Question and the Statements.
Question: What are the values of and , where and are natural numbers?
Statement-I : and .
Statement-II : The product of and is 24.
Which one of the following is correct in respect of the above Question and the Statements?
Correct Answer :
The Question can be answered by using both the Statements together, but cannot be answered using either Statement alone
Solution :
The correct option is: The Question can be answered by using both the Statements together, but cannot be answered using either Statement alone.
Let us analyze the question and the statements step-by-step to understand why this option is correct.
The question asks for the unique values of and , given that and are natural numbers ().
Analysis of Statement-I:
Statement-I states: and .
Let us test some small natural numbers. If we set , the inequality becomes:
which is always true for any natural number .
Since , can be any natural number greater than 1 (i.e., ).
For example, could be , , , and so on. Since there are infinitely many such pairs, Statement-I alone is not sufficient to determine unique values for and .
Analysis of Statement-II:
Statement-II states: The product of and is 24, which means:
Since and are natural numbers, the possible pairs for are:
Since there are multiple possible solutions, Statement-II alone is not sufficient to determine unique values for and .
Combining Statement-I and Statement-II:
Now we combine the conditions from both statements. We need a pair of natural numbers such that:
1) (From Statement-II)
2) (From Statement-I)
3) (From Statement-I)
Substituting into the inequality (2), we get:
Let us evaluate our list of candidate pairs from Statement-II where :
- For : , which is not greater than 24.
- For : , which is not greater than 24.
- For : , which is not greater than 24.
- For : , which is greater than 24 ().
Thus, the only pair that satisfies all conditions is .
Since we obtain a unique solution when using both statements together, the question can be answered by using both statements together, but cannot be answered using either statement alone.
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