Find the average of the series : 312, 162, 132, 142 and 122?  Choose the correct choice from the following answers:
A) 117
B) 866
C) 168
D) 126
E) 174
Average = (312 + 162 + 132 + 142 + 122)/5 = 870/5= 
<gadget id="calculator">870/5</gadget>
<output>174</output>
174   Answer:174
<result>E</result>
Find the average of the series : 312, 162, 132, 142 and 122?