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JEE Main & Advanced Mathematics Three Dimensional Geometry Question Bank Sphere

  • question_answer
    How many different sphere of radius ?r? can be drawn which touches all the three co-ordinate axes

    A)            4

    B)            2

    C)            6

    D)            8

    Correct Answer: D

    Solution :

               There are eight octants, so sphere can be possible in eight octants.


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