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Railways Sample Paper RRB (Assistant Loco Pilot) Sample Test Paper-3

  • question_answer
    DIRECTION: In question numbers 9, select the missing number from the given responses.

    A)  20                              

    B)  5                      

    C)                                 4                      

    D)        21                                                      

    Correct Answer: B

    Solution :

    \[225={{(15)}^{2}}\Rightarrow {{(8+7)}^{2}}\] \[49={{(7)}^{2}}\Rightarrow {{(3+4)}^{2}}\] \[121={{(11)}^{2}}\Rightarrow {{(6+5)}^{2}}\] So missing number is 5.


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