Question

    If a number x is chosen from the number 1, 2, 3 and a

    number y is selected from the numbers 1, 4, 9 then P(xy< 9) is
    A 5/9 Correct Answer Incorrect Answer
    B 2/3 Correct Answer Incorrect Answer
    C 1/9 Correct Answer Incorrect Answer
    D 7/9 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    Total Choices: x can be 1, 2, 3 → 3 choices y can be 1, 4, 9 → 3 choices Total outcomes = 3×3=9 Find favourable Cases (xy< 9): Compute xy: Favorable cases:5 out of 9 . Probability:

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