How many different subsets of the set {0, 1, 2, 3, 4, 5} do not contain 0?  Choose the correct choice:
A) 16	B) 27	C) 31	D) 32	E) 64
The solution offered counted it differently.   So I just want to clear it up whether I am also thinking in the right direction.   Number of subset   Since we have 5 digits other than 0, we can take any numbers from the set of 5 to make a subset. Also it is a matter of selection and not arrangement.So we will consider combinations.   5c1+5c2+5c3+5c4+5c5=31   And one set is the NULL set having no elements in it so    31+1= 
<gadget id="calculator"> 31+1</gadget>
<output>32</output>
32   ANSWER:32
<result>D</result>
How many different subsets of the set {0, 1, 2, 3, 4, 5} do not contain 0?