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

    Question

    What is the probability that four A’s come

    consecutively in the word ‘AMALGAMATION’
    A 2/49 Correct Answer Incorrect Answer
    B 1/55 Correct Answer Incorrect Answer
    C 5/9 Correct Answer Incorrect Answer
    D 2/13 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    Total number of words that can be formed from the letters of the word AMALGAMATION= 12!/(4!× 2!) When all the A’s are together then the number of words can be formed = 9!/2! Required Probability = 9!/2!/ 12!/(4!× 2!) =1/55

    Practice Next

    Relevant for Exams: