A. 6.25
B. 6.5
C. 6.75
D. 7
Sum = ( m + n ) x A = 282
m = 10, A(m) = 3.2, n = 40
=> Run Rate for remaining 40 overs = ( ( m + n ) x A - m A(m) ) / n
=> Remaining run rate = ( 282 - 10 x 3.2 ) / 40 = 250 / 40
=> Remaining run rate = 6.25
A grocer has a sale of Rs. 6435, 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?
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