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Vincen
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An integer \(n\) between \(1\) and \(99,\) inclusive, is to be chosen at random. What is the probability that \(n(n+1)\) will be divisible by \(3?\)
A) \(\dfrac19\)
B) \(\dfrac13\)
C) \(\dfrac12\)
D) \(\dfrac23\)
E) \(\dfrac56\)
Answer: D
Source: GMAT Prep
A) \(\dfrac19\)
B) \(\dfrac13\)
C) \(\dfrac12\)
D) \(\dfrac23\)
E) \(\dfrac56\)
Answer: D
Source: GMAT Prep
