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Banking Reasoning Sample Paper Reasoning Sample Paper-5

  • question_answer
    Select the missing number from the given responses.  [SSC (CGL) 2015]

    A) 40                                

    B) 30

    C) 20                                

    D) 10

    Correct Answer: B

    Solution :

    As, in first figure,
    \[\begin{matrix} 64 & {} & 36 & {} & 49\\ \downarrow& {} & \downarrow& {} & \downarrow \\ {{(8)}^{2}} & + & {{(6)}^{2}} & + & {{(7)}^{2}}\\ \end{matrix}\]
    \[8+6+7=21\]
    Similarly, in second figure,
    \[\begin{matrix} 121 & {} & 81 & {} & 100\\ \downarrow& {} & \downarrow& {} & \downarrow \\ {{(11)}^{2}} & + & {{(9)}^{2}} & + & {{(10)}^{2}}\\ \end{matrix}\]
    \[11+9+10=30\]


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