Find the average of all prime numbers between 1 and 10	Choose the correct choice from the following answers.
A) 2.5  B) 1.35  C) 4.25  D) 6.12  E) 7.13
Prime numbers between 1 and 10 are 2,3,5,7   Required average = (2+3+5+7)/4 = 17/4= 
<gadget id="calculator">17/4</gadget>
<output>17/4 = around 4.25</output>
4.25   Answer is 4.25
<result>C</result>
Find the average of all prime numbers between 1 and 10