The average of first five multiples of 7 is?
Pick:
A) 6 B) 8 C) 9 D) 5 E) 21
Average = 7(1 + 2 + 3 + 4 + 5)/5   = 105/5= 
<gadget id="calculator">105/5</gadget>
<output>21</output>
21.   Answer:21
<result>E</result>
The average of first five multiples of 7 is?