A grocery shop has a sale of Rs. 6635, Rs. 6927, Rs. 6855, Rs. 7230 and Rs. 6562 for 5 consecutive months. How much sale must he have in the sixth month so that he gets an average sale of Rs. 6500?
Answers
A) 4857	B) 4184	C) 4012	D) 4791	E) 5291
Let the sale in the sixth month =x   Then   (6635+6927+6855+7230+6562+x)/6 =6500   =&gt;6635+6927+6855+7230+6562+x =6×6500   =&gt; 34209+x=39000   =&gt; x=39000−34209   =4791   ANSWER:4791
<result>D</result>
A grocery shop has a sale of Rs. 6635, Rs. 6927, Rs. 6855, Rs. 7230 and Rs. 6562 for 5 consecutive months. How much sale must he have in the sixth month so that he gets an average sale of Rs. 6500?