nelsonling
New member
- Joined
- Sep 1, 2007
- Messages
- 8
Hi need some help please;
How many whole numbers in the set 1,2,3,.....,99999 have an odd number of odd digits ?
(A) 49 999 (B) 50 000 (C) 45 000 (D) 55 554 (E) 55 555
How many whole numbers in the set 1,2,3,.....,99999 have an odd number of odd digits ?
(A) 49 999 (B) 50 000 (C) 45 000 (D) 55 554 (E) 55 555