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

    Question

    There are (m + 4) red roses, (m + 9) white roses and

    ‘m’ pink roses in a bag. If the probability of picking a pink rose is 3/10, then find the value of ‘m’.
    A 39 Correct Answer Incorrect Answer
    B 41 Correct Answer Incorrect Answer
    C 35 Correct Answer Incorrect Answer
    D 28 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    According to question, => {m/(m + 4 + m + 9 + m)} = 3/10 => m = 39

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