Data Sufficiency · Question 30 · Hard
Data Sufficiency question 30
Each question has two statements. Decide whether the data in the statements is sufficient to answer the question.
Question: x and y are positive integers. What is the value of x?
I. xy = 12.
II. x + y = 7.
- Statement I alone is sufficient
- Statement II alone is sufficient
- Both statements together are needed
- Both statements together are not sufficient
Answer and explanation
Answer: D. Both statements together are not sufficient
Explanation: Together the statements give x and y as 3 and 4, but x could be 3 (with y = 4) or 4 (with y = 3). So even both statements together are not sufficient.
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