A grocer has a sale of Rs. 6400, Rs. 7000, Rs. 6800, Rs. 7200 and Rs. 6500 for 5 consecutive months. How much sale must he have in the sixth month so that he gets an average sale of Rs. 6500?  Options.
A) Rs. 4500
B) Rs. 4700
C) Rs. 4800
D) Rs. 5000
E) Rs. 5100
Total sale for 5 months = Rs. (6400+ 7000 + 6800 + 7200 + 6500) = Rs. 33900   Required sale = Rs. [ (6500 x 6) - 34009 ]   = Rs. (39000 - 33900)   = Rs. 5100   ANSWRs. 5100R :Rs. 5100
<result>E</result>
A grocer has a sale of Rs. 6400, Rs. 7000, Rs. 6800, Rs. 7200 and Rs. 6500 for 5 consecutive months. How much sale must he have in the sixth month so that he gets an average sale of Rs. 6500?