New Enroll in RBI Grade B New Batch - Starts on May 21

    Question

    If X and Y represent waiting time and service time of

    customers in shopping mall, have joint destiny f(x, y) = kx; 0 ≤ y ≤ x ≤ 1, then the value of k is
    A 3 Correct Answer Incorrect Answer
    B 1 Correct Answer Incorrect Answer
    C 4 Correct Answer Incorrect Answer
    D 2 Correct Answer Incorrect Answer

    Solution

    The correct answer is A

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