A box contains 5 red, 3 blue, and 2 green balls. What is the probability of picking a blue ball?
Q1. A box contains 5 red, 3 blue, and 2 green balls. What is the probability of picking a blue ball?
Answer: 3 / 10
Explanation: Total balls = 5 + 3 + 2 = 10. Probability = number of blue balls / total = 3 / 10.