The pages of a report are numbered consecutively from 1 to 11. If the sum of the page numbers up to and including page number x of the report is equal to six more than the sum of the page numbers following page number x, then x =  Select: A) 5 B) 6 C) 7 D) 8 E) 4
sum of the first few numbers =1+2+3+4+5+6+7+8= 
<gadget id="calculator">1+2+3+4+5+6+7+8</gadget>
<output>36</output>
36   sum of the last few= 9 +10+11= 
<gadget id="calculator">9 +10+11</gadget>
<output>30</output>
30 page no.8 answer .8
<result>D</result>
The pages of a report are numbered consecutively from 1 to 11. If the sum of the page numbers up to and including page number x of the report is equal to six more than the sum of the page numbers following page number x, then x =