The sum of five numbers is 655. The average of the first two numbers is 85 and the third number is 125. Find the average of the two numbers?
Options:
A . 180
B . 170
C . 190
D . 175
E . None of these
Answer: Option A
Let the five numbers be P, Q, R, S and T.=> P + Q + R + S + T = 655.(P + Q)/2 = 85 and R = 125P + Q = 170 and R = 125P + Q + R = 295S + T = 655 - (P + Q + R) = 360Average of the last two numbers = (S + T)/2 = 180.
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