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SSC Sample Paper SSC CGL - Sample Paper-4

  • question_answer
    P and Q are the centres of two circles whose radii are 12 cm and 5cm respectively. The direct common tangents to the circle met PQ at O, then O divides PQ

    A)  Externally in the ratio 12: 5

    B)  Externally in the ratio 5: 12

    C)  Internally in the ratio 12: 5

    D)  Internally in the ratio 5: 12

    Correct Answer: C

    Solution :

    The direct common tangent divides the line joining the centres of two circles externally in the ratio of their radii. So, required ratio \[=\frac{12}{5}=12.5\]


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