engineering intelligence MCQ #287

A box contains 5 red, 4 blue, and 3 green marbles. What is the probability that a randomly drawn marble is not blue?

engineering intelligence MCQ #287

  1. Question 1

    Q1. A box contains 5 red, 4 blue, and 3 green marbles. What is the probability that a randomly drawn marble is not blue?

    • A) 2 / 3
    • B) 1 / 3
    • C) 3 / 4
    • D) 1 / 2

    Answer: 2 / 3

    Explanation: Total marbles = 5 + 4 + 3 = 12. Not blue marbles = 5 + 3 = 8. Probability = 8 / 12 = 2 / 3.