List I: 1, 6, 8, 19
List II: x, 1, 6, 8, 19	Answers
A) 5	B) 6	C) 7	D) 9	E) 10
List I has even number of terms, thus its median is the average of two middle terms (when arranged in ascending/descending order), so median=(6+8)/2= 
<gadget id="calculator">(6+8)/2</gadget>
<output>7</output>
7.   List II has odd number of terms, thus its median is the middle term (when arranged in ascending/descending order). As no other number in the list equal to 7, then x=7.   Answer: 7.
<result>C</result>
List I: 1, 6, 8, 19
List II: x, 1, 6, 8, 19