Average of first seven multiples of 2 is  Options:
A) 8 B) 9 C) 13 D) 15 E) 17
Explanation:   8verage=2(1+2+3+4+5+6+7) / 7=56 / 7= 
<gadget id="calculator">56 / 7</gadget>
<output>8</output>
8   Option 8
<result>A</result>
Average of first seven multiples of 2 is