A grocer has a sale of Rs. 1500, Rs. 1500, Rs. 2000, Rs. 2600 for 4 consecutive months. How much sale must he have in the fifth month so that he gets an average sale of Rs. 2000?
Choose the correct choice from the following answers
A) Rs. 4980  B) Rs. 3400  C) Rs. 4000  D) Rs. 2400  E) Rs. 5000
Total sale for 4 months = Rs. (1500+1500+2000+2600) = Rs. 7600   Required sale = Rs. [ (2000 x 5) - 7600]   = Rs. (10000 - 7600)   = Rs.2400.   Rs. 2400
<result>D</result>
A grocer has a sale of Rs. 1500, Rs. 1500, Rs. 2000, Rs. 2600 for 4 consecutive months. How much sale must he have in the fifth month so that he gets an average sale of Rs. 2000?