How many different subsets of the set {0, 1, 2, 3} do not contain 0?
Choose the correct choice from the following.
A) A.3 B) B.7 C) C.8 D) D.2 E) E.4
Number of subset   Since we have 3 digits other than 0, we can take any numbers from the set of 3 to make a subset. Also it is a matter of selection and not arrangement.So we will consider combinations.   3c1+3c2+3c3=7   And one set is the NULL set having no elements in it so    7+1= 
<gadget id="calculator"> 7+1</gadget>
<output>8</output>
8.   ANSWER C.8.
<result>C</result>
How many different subsets of the set {0, 1, 2, 3} do not contain 0?