The average of 11 results is 40, if the average of first five results is 49 and that of the last seven is 52. Find the fifth result?  Choose the most appropriate option.
A) 165	B) 166	C) 167	D) 168	E) 169
1 to 11 = 11 * 40= 
<gadget id="calculator">11 * 40</gadget>
<output>440</output>
440   1 to 5= 5 * 49= 
<gadget id="calculator">5 * 49</gadget>
<output>245</output>
245   5 to 11= 7 * 52= 
<gadget id="calculator">7 * 52</gadget>
<output>364</output>
364   5th= 245 + 364 – 440 = 169   ANSW169R:169
<result>E</result>
The average of 11 results is 40, if the average of first five results is 49 and that of the last seven is 52. Find the fifth result?