Find the average of first 5 multiples of 5?	Choose the correct choice from the following choices.
A) 10
B) 15
C) 12.5
D) 13
E) 21
average = (5+10+15+20+25)/5= 
<gadget id="calculator">(5+10+15+20+25)/5</gadget>
<output>15</output>
15   Answer is 15
<result>B</result>
Find the average of first 5 multiples of 5?