Find the average of all the numbers between 6 and 34 which are divisible by 5.
Pick one:
A) 15
B) 18
C) 20
D) 22
E) None
Sol.   Average = (10 + 15 + 20 + 25 + 30 / 5) = 100 / 5= 
<gadget id="calculator">100 / 5</gadget>
<output>20</output>
20.   Answer 20
<result>C</result>
Find the average of all the numbers between 6 and 34 which are divisible by 5.