What is the average of the first 10 multiples of 11?  Pick:
A) 55.5  B) 61.5  C) 53.5  D) 78.5  E) 60.5
(11 + 22 + ... + 110)/10   =11(1 + 2 + ... + 10)/10   =11(10)(11)/(10*2)   =121/2= 
<gadget id="calculator">121/2</gadget>
<output>121/2 = around 60.5</output>
60.5   Option 60.5
<result>E</result>
What is the average of the first 10 multiples of 11?