NDA2017MathematicsPermutation and CombinationActual
How many different permutations can be made out of the letters of the word 'PERMUTATION'?
Options
- A19958400
- B19954800
- C19952400
- D39916800
Correct answer
A. 19958400
Step-by-step solution
P E R M U T A T I O N 11 letters and T is repeated 2 times. aligned & Different permutations = 11! 2! & =11 10 9 8 7 6 5 4 3 & =19958400 aligned