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AP EAMCET202317 May 2023Evening ShiftMathematicsPermutation and CombinationActual

The number of arrangements of the word KANGAROO in which As' do not appear together is

Options

  1. A2520
  2. B3780
  3. C7650
  4. D7560

Correct answer

B. 3780

Step-by-step solution

Total no. of arrangements = 8 ! 2 ! 2 ! No. of arrangements, when A's are together = 7 ! 2 ! So, the number of required arrangement = 8 ! 2 ! 2 ! = 7 ! 2 ! =7560

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