InterviewSolution
Saved Bookmarks
| 1. |
If the different permutations of all the letter of the word EXAMINATION are listed as in a dictionary, how many words are there in this list before the first word starting with E? |
|
Answer» There will be `2I,2N,1A,1E,1X,1M, 1T,1O` in the words starting with A. No. of words starting from `A = (10!)/(2!2!) = 907200` After if, there will be words starting with `E, I,M, N,O,T,X`. Therefore, the total no. of words before the words starting with E `= 907200` |
|