For which of the following values of x is x^2 - 5x + 6 < 0?

✓ Correct Answer: Option B

Factor the quadratic: (x - 2)(x - 3) < 0. This inequality holds when x is between the roots 2 and 3. So, 2 < x < 3. Of the given options, only x = 2.5 satisfies this condition.