The average of first 10 prime numbers is?	Options.
A) 10.11  B) 12.9  C) 12.11  D) 13.11  E) 14.11
Sum of 10 prime no. = 129   Average = 129/10= 
<gadget id="calculator">129/10</gadget>
<output>129/10 = around 12.9</output>
12.9   Answer : 12.9
<result>B</result>
The average of first 10 prime numbers is?