The average of first 9 natural numbers is?	Answers:
A) 1.5 B) 2.5 C) 3.5 D) 4.5 E) 5.5
Sum of 10 natural no. = 90/2= 
<gadget id="calculator">90/2</gadget>
<output>45</output>
45   Average= 45/10= 
<gadget id="calculator">45/10</gadget>
<output>9/2 = around 4.5</output>
4.5   ANSWER:4.5
<result>D</result>
The average of first 9 natural numbers is?