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NTSE Sample Paper NTSE SAT Practice Test-2

  • question_answer
    The total surface area of a cone whose generator is equal to the radius R of its base is S. If A is the area of a circle of radius 2R, then which one of the following is correct?

    A)  A = S                                    

    B)  A = 2S

    C)  A = S/2                                

    D)  A = 4S

    Correct Answer: B

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