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Railways Sample Paper RRB (Assistant Loco Pilot) Sample Test Paper-20

  • question_answer
    Which sequence of letters when placed at the blanks one after another will complete the given letter series? \[-\text{ }aba-cabc-dcba-bab-a\]

    A)  abdca                        

    B)  bcadc             

    C)  abcdd              

    D)         cbdaa            

    Correct Answer: A

    Solution :

    The series formed is: \[\underline{a}\,\,a\,\,b\,\,a\,\,\underline{b}\,\,\,c\,\,a\,\,\,b\,\,c\,\,\underline{d}\,\,d\,\,c\,\,b\,\,a\,\,\underline{c}\,\,b\,\,a\,\,b\,\,\underline{a}\,\,a\] in which the letters equi-distant from the beginning and end are the same.


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