(Source GMAT Club test)
How many different subsets of the set {0, 1, 2, 3, 4, 5} do not contain 0?
a) 16
b) 27
c) 31
d) 32
e) 64
The official answer is 32, but I did my math and arrived at 31. Would be of great help if someone could post their method. Thanks!
How many different subsets of the set {0, 1, 2, 3, 4, 5} do not contain 0?
a) 16
b) 27
c) 31
d) 32
e) 64
The official answer is 32, but I did my math and arrived at 31. Would be of great help if someone could post their method. Thanks!