Find the average of all prime numbers between 20 and 30	Answers.
A) 15  B) 20  C) 18  D) 32  E) 26
Prime numbers between 20 and 30 are 23,29   Required average = (23+29)/2 = 52/2= 
<gadget id="calculator">52/2</gadget>
<output>26</output>
26   Answer is 26
<result>E</result>
Find the average of all prime numbers between 20 and 30