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Railways Sample Paper RRB (Assistant Loco Pilot & Technician) Sample Test Paper-9

  • question_answer
    Direction: What should come in place of the question mark (?) in the following questions?
    \[\sqrt{?\,}\,\,+18=\sqrt{1444}\]

    A)  441                 

    B)  361

    C)  400                 

    D)       484

    Correct Answer: C

    Solution :

     \[\sqrt{?}\,\,+\,\,18=\sqrt{1444}\]   \[\Rightarrow \] \[\sqrt{?}\,\,\,+18=38\]   \[\Rightarrow \] \[\sqrt{?}\,=38-18=20\]    \[\therefore \]  \[?=20\,\,\,\,20=400\] 69 778


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