8th Class Mathematics Sample Paper Maths Olympiad Model Test Paper-20

  • question_answer
    If \[K=\sqrt{49-12\sqrt{5}},\]then find the value of\[K+2\].

    A)  \[2+3\sqrt{3}\]                         

    B)  \[3\sqrt{5}\]

    C)  \[5\sqrt{2}\]                 

    D)  \[2\sqrt{7}\]

    E)  \[2\sqrt{5}\]

    Correct Answer: B


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