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Railways R.R.C. (Hazipur) Solved Paper Held on 1-12-2013

  • question_answer
    \[48\sqrt{?}+32\sqrt{?}=320\]

    A) 4                                 

    B) 8

    C) 24                                

    D) 16

    Correct Answer: D

    Solution :

    \[48\sqrt{?}+32\sqrt{?}=320\]             \[80\sqrt{?}=320\]             \[\sqrt{?}=4\]             \[?={{4}^{2}}\] \[?=16\]


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