Difficult Math Question #25 - Sets

[800guy]

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

[gamemaster]

4C1 + 4C3 = 8

[800guy]

here's the oa:

8 is the answer. The different subsets are

10,
14,
17,
24,
10, 14, 17

14 17 24

17 24 10

24 10 14

[anandsebastin]

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