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Railways Sample Paper RRBs Assistant Loco Pilot and Technician CBT STAGE-I Sample Paper-15

  • question_answer
    The value of\[\sqrt{10+\sqrt{25+\sqrt{108+\sqrt{154+\sqrt{225}}}}}\]is

    A)  10                   

    B)  8

    C)  6        

    D)  4

    Correct Answer: D

    Solution :

    \[\sqrt{10+\sqrt{25+\sqrt{108+\sqrt{154+\sqrt{225}}}}}\] \[=\sqrt{10+\sqrt{25+\sqrt{108+\sqrt{154+15}}}}\] \[=\sqrt{10+\sqrt{25+\sqrt{108+13}}}\] \[=\sqrt{10+\sqrt{25+11}}\] \[=\sqrt{10+6}=4\]


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