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Railways R.R.C. (Allahabad) Solved Paper 1st Shift Held on 1-12-2013

  • question_answer
    24. \[\frac{\sqrt{1296}}{?}=\frac{?}{2.25}\]

    A) 6                                 

    B) 9

    C) 3                                 

    D) 12

    Correct Answer: B

    Solution :

    \[\frac{\sqrt{1296}}{?}=\frac{?}{2.25}\] \[\frac{36}{?}=\frac{?}{2.25}\] \[{{?}^{2}}=36\times 2.25\] \[{{?}^{2}}=81\] \[?=\pm 9\] \[?=9\]


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