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AP EAMCET202522 May 2025Evening ShiftMathematicsPermutation and CombinationActual

If ²⁷ P _ r +7 =7722 ²⁵ P _ ( r +4) , then r =

Options

  1. A9
  2. B12
  3. C11
  4. D10

Correct answer

D. 10

Step-by-step solution

NO SOLUTION

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