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Railways Sample Paper RRB (Group D) Sample Test Paper-13

  • question_answer
    \[If5+7=21\,and\,9+4=31,\,what\,is\,7+9=?\]

    A)  41       

    B)         51

    C)  61                   

    D)  71

    Correct Answer: C

    Solution :

    [c] If, \[5+7=12\Rightarrow 21\] \[9+4=13\Rightarrow 31\] Then, \[7+9=16\Rightarrow 61\]


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