GRE Exam Numerical Ability Co-ordinate geometry

The distance from the Y-axis to point K is 1/3 of the distance from the X-axis to point K. If the coordinates of K are (-3, y), what is the distance between point K and X-axis?
A. 1/2 B. 1 C. 3 D. 4.5 E. 9

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GRE Other Question

Two beads are to be independently and randomly selected, one from each of two bags. If 3/7 of the beads in one bag and 5/7
of the beads in the other bag are green, what is the probability that both beads selected will be green? v, w, x, y, and z are five positive integers for which v ≤ w ≤ x ≤ y ≤ z. If the average (arithmetic mean) of the five numbers is 30 and their median is 25, what is the smallest possible value of z ?