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Railways R.R.C. (Mumbai) Solved Paper Held on 17-11-2013

  • question_answer
    \[{{(22)}^{2}}+\sqrt{?}=516\]; find the value of question mark?

    A) 1,024               

    B) 1,022

    C) 1,244               

    D) 1,400

    Correct Answer: A

    Solution :

    \[{{(22)}^{2}}+\sqrt{?}=516\] \[484+\sqrt{?}=516\] \[\sqrt{?}=516-484\] \[\sqrt{?}=32\] \[?={{(32)}^{2}}\]    \[or\]  \[?=1,024\]


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