If n is a positive integer and n^2 is divisible by 72
If n is a positive integer and n^2 is divisible by 72, then the largest positive integer that must divide n is A. 6 B. 12 C. 24 D. 36 E. 48 We get this one a lot in GMAT tutoring sessions. Most people fail to understand what the questions is asking and then just […]
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