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      Question

      Two circles of radii 15 cm and 10 cm touch each other

      externally at a point A. PQ is the direct common tangent of those two circles of centers O ₁ and O β‚‚ respectively. The length of PQ is equal to
      A 9√2 cm Correct Answer Incorrect Answer
      B 10√6 cm Correct Answer Incorrect Answer
      C 8√2 cm Correct Answer Incorrect Answer
      D 6√2 cm Correct Answer Incorrect Answer

      Solution

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