The Official Guide For GMAT® Quantitative Review, 2ND Edition
What is the value of the positive integer n ?
(1) n^4 < 25
Statement 1) n^4 < 25, both the values of n = 1 or 2 satisfies the statement. Not Sufficient.
Statement 2) n is not equal to n^2. We cannot determine any value of n from this statement. Not Sufficient.
Combining the two statement, only n = 2 satisfies both the condition. Hence Option C)
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