How many different subsets of the set {0, 1, 2, 3, 4} do not contain 0?
Choose the correct choice from the following choices:
A) A.16
B) B.27
C) C.31
D) D.32
E) E.64
Number of subset   Since we have 4 digits other than 0, we can take any numbers from the set of 4 to make a subset. Also it is a matter of selection and not arrangement.So we will consider combinations.   4c1+4c2+4c3+4c4=15   And one set is the NULL set having no elements in it so    15+1= 
<gadget id="calculator"> 15+1</gadget>
<output>16</output>
16.   A.16NSWER A.16.
<result>A</result>
How many different subsets of the set {0, 1, 2, 3, 4} do not contain 0?