Logical Reasoning :: Statement and Conclusion - Discussion
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Are the integers x, y and z consecutive?
1. The arithmetic mean (average) of x, y and z is y.
2. y-x = z-y
Astatement 1 alone is sufficient, but statement 2 alone is not sufficient to answer the question
Bstatement 2 alone is sufficient, but statement 1 alone is not sufficient to answer the question
Cboth statements taken together are sufficient to answer the question, but neither statement alone is sufficient
Deach statement alone is sufficient
Estatements 1 and 2 together are not sufficient, and additional data is needed to answer the question