The average of first five multiples of 5 is?
Pick one:
A) 6	B) 8	C) 9	D) 15	E) 7
Average = 5(1 + 2 + 3 + 4 + 5)/5   = 75/5= 
<gadget id="calculator">75/5</gadget>
<output>15</output>
15.   Answer:15
<result>D</result>
The average of first five multiples of 5 is?