A grocer has a sale of Rs. 4000, Rs. 6524, Rs. 5689, Rs. 7230 and Rs. 6000 for 5 consecutive months. How much sale must he have in the sixth month so that he gets an average sale of Rs. 7000?
Select:
A) s. 12557
B) s. 14993
C) s. 15560
D) s. 12589
E) s. 12500
Total sale for 5 months = Rs. (4000 + 6524+ 5689 + 7230 + 6000) = Rs.29443   Required sale = Rs. [ (7000 x 6) - 29443 ]   = Rs. (42000 - 29443)   = Rs. 12557.   Option s. 12557
<result>A</result>
A grocer has a sale of Rs. 4000, Rs. 6524, Rs. 5689, Rs. 7230 and Rs. 6000 for 5 consecutive months. How much sale must he have in the sixth month so that he gets an average sale of Rs. 7000?