Calculate the average of all the numbers between 15 and 55 which are divisible by 4. Choose the correct choice from the following choices:
A) 39
B) 33
C) 34
D) 30
E) 36
Explanation:   numbers divisible by 4 are 16,20,24,28,32,36,40,44,48,52,,,   Average = (16+20+24+28+32+36+40+44+48+52) / 10 = 340/10= 
<gadget id="calculator">340/10</gadget>
<output>34</output>
34   ANSWER: 34
<result>C</result>
Calculate the average of all the numbers between 15 and 55 which are divisible by 4.