InterviewSolution
Saved Bookmarks
| 1. |
The total number of 9 digit numbers which have all different digits is(a) 10!(b) 9!(c) 9 × 9!(d) 10 × 10! |
|
Answer» The total number of 9 digit numbers which have all different digits is (a) 10! (b) 9! (c) 9 × 9! (d) 10 × 10! |
|