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

    Question

    A jar contains 10 oranges, 4 pink, 7 black, and 5 purple

    marbles. If a single marble is chosen at random from the jar, what is the probability that it is black or pink?
    A 9/26 Correct Answer Incorrect Answer
    B 13/26 Correct Answer Incorrect Answer
    C 11/26 Correct Answer Incorrect Answer
    D 2/13 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    Total number of marbles= 10+4+7+5=26  Number of favorable outcomes (black or pink marbles) =7 (black) + 4 (pink) = 11  Probability= P (black or pink) = 11/ 26 The probability that a single marble chosen at random from the jar is black or pink is 11/26

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