Question

    Out of 8 white marbles, 5 blue marbles, in how many ways

    we select one or more marbles?
    A 50 Correct Answer Incorrect Answer
    B 52 Correct Answer Incorrect Answer
    C 55 Correct Answer Incorrect Answer
    D 53 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    We can select any combination of balls from 0 to 9 White marbels and from 0 to 5 blue marbels The total number of ways is given by: (8 + 1) × (5 + 1) = 9 × 6 = 54 ways. 9 × 6 = 54 54 - 1 = 53

    Practice Next