Saved Bookmarks
| 1. |
4.8ELEMENTS OF BUSINESS MATHEMATICSExample 8 How many three digit odd numbers can be formed from the digits1, 2, 3, 4, 5, 6 when(i) repetition of digits is not allowed(ii) repetition ofdigits is allowed |
|
Answer» (i) if repetition is not allowedso at first position 6 possibility, at 2nd position remaining 5 possibility,at 3 rd place remaining 4 possibilityso total numbers=6×5×4=120(b) if repetition is allowedso at first position 6 possibility, at 2nd position again 6 possibility,at 3 rd place again 6 possibilityso total numbers=6×6×6=216 |
|