The average of first five multiples of 5 is :	Choose the correct choice from the following choices:
A) 3
B) 9
C) 12
D) 15
E) 17
Solution   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 :