The average of first ten prime numbers:
Select.
A) 5.6  B) 11.2  C) 12.9  D) 6.3  E) 7.4
Explanation:   The first ten prime numbers is 2, 3, 5, 7, 11, 13, 17, 19, 23, 29   Average = 129/10= 
<gadget id="calculator">129/10</gadget>
<output>129/10 = around 12.9</output>
12.9   Answer: Option 12.9
<result>C</result>
The average of first ten prime numbers: