Railways RRB (Assistant Loco Pilot & Technician) Solved Paper-2 (2013)

  • question_answer
    What is the least number to be added to 4700 to make it a perfect square?

    A)  74       

    B)  69       

    C)  76       

    D)  61

    Correct Answer: D

    Solution :

    Clearly, 4700 lies between the squares of 68 and 70. Therefore, its nearest square is (69)2. So, the required number \[={{(69)}^{2}}-4700\] \[=4761-4700=61\]


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