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There are two statements following one of the questions below. Analyze and decide whether the questions can be answered with the given statements.Question: Is X an integer number?Statement I: 2X + 3 = 7Statement II: 3X + 4Y - 11 = 01. Statements I and II are required simultaneously2. Statements I and II together are not sufficient3. Statement II alone is sufficient4. Statement I alone is sufficient

Answer» Correct Answer - Option 4 : Statement I alone is sufficient

Statement I:

2X + 3 = 7 

2X = 7 - 3  

2X = 4 

X = 4 / 2

X = 2

The the value of X is known. 

So, statement 1 alone is sufficient to answer the question.

Statement II: 

3X + 4Y - 11 = 0 

Here the value of X and Y are not found.

So, statement 2 alone is not sufficient.

Thus X = 2, X is an integer number.

Hence, the correct answer is "Statement I alone is sufficient".



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