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Railways Sample Paper RRB (Group D) Sample Test Paper-3

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

    A)  20                   

    B)  5

    C)  4                    

    D)  21

    Correct Answer: B

    Solution :

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


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