OA after some people answer...
How many different subsets of the set {10,14,17,24} are there that contain an odd number of elements?
(a) 3 (b) 6 (c) 8 (d) 10 (e) 12
Difficult Math Question #25 - Sets
This topic has expert replies
-
- Senior | Next Rank: 100 Posts
- Posts: 34
- Joined: Sun Sep 03, 2006 6:00 am
-
- Junior | Next Rank: 30 Posts
- Posts: 10
- Joined: Fri Oct 13, 2006 9:16 am
C
subsets with one element - 4
subsets with 3 elements - {10,14,17}, {10, 17,24}, {10,14,24}, {14,17,24} = 4. Total = 8
subsets with one element - 4
subsets with 3 elements - {10,14,17}, {10, 17,24}, {10,14,24}, {14,17,24} = 4. Total = 8