A box contains 5 red, 4 blue, and 3 green balls. What is the probability of drawing a blue ball?
Q1. A box contains 5 red, 4 blue, and 3 green balls. What is the probability of drawing a blue ball?
Answer: 1 / 3
Explanation: Total balls = 5 + 4 + 3 = 12. Probability of drawing a blue ball = Number of blue balls / Total balls = 4 / 12 = 1 / 3.