Find the average of the series : 312, 162, 132, 142 and 122? Choose the most appropriate option:
A) 174  B) 178  C) 119  D) 110  E) 171
174verage = (312 + 162 + 132 + 142 + 122)/5   = 870/5= 
<gadget id="calculator">870/5</gadget>
<output>174</output>
174   174nswer: 174
<result>A</result>
Find the average of the series : 312, 162, 132, 142 and 122?