AP EAMCET202317 May 2023Evening ShiftMathematicsPermutation and CombinationActual
The number of arrangements of the word KANGAROO in which As' do not appear together is
Options
- A2520
- B3780
- C7650
- 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