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\(n\) is an integer greater than or equal to \(0.\) The sequence \(t_n\) for \(n > 0\) is defined as \(t_n=t_{n-1}+n.\) Given that \(t_0=3\) is \(t_n\) even?
(1) \(n + 1\) is divisible by \(3.\)
(2) \(n - 1\) is divisible by \(4.\)
Answer: B
Source: Manhattan GMAT
(1) \(n + 1\) is divisible by \(3.\)
(2) \(n - 1\) is divisible by \(4.\)
Answer: B
Source: Manhattan GMAT
