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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) 1/9 B) 1/3 C) 1/2 D) 2/3 E) 5/6
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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) 1/9 B) 1/3 C) 1/2 D) 2/3 E) 5/6

User Haniku
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6 votes
the answer would be D :)
User Kris Selbekk
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