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Railways Sample Paper RRBs Assistant Loco Pilot and Technician CBT STAGE-I Sample Paper-4

  • question_answer
    As 7 is related to 49, similarly 11 is related to which of the following?

    A)  100                 

    B)  81

    C)  121                 

    D)  169

    Correct Answer: C

    Solution :

    \[{{(7)}^{2}}=49\]. \[\therefore \]      \[{{(11)}^{2}}=(121)\]


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