The average of squares of first 11 consecutive even numbers is:  Choose the correct choice from the following choices:
A) 164 B) 174 C) 184 D) 194 E) 204
2(n+1)(2n+1)/3   (2*12*23)/3   =2*4*23= 
<gadget id="calculator">2*4*23</gadget>
<output>184</output>
184   ANSWER:184
<result>C</result>
The average of squares of first 11 consecutive even numbers is: