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The average of 9 numbers is 25. If one number, 35, is removed, the average of the remaining is
A25.5
B22.5
C23.75
D24.25
Answer & Solution
Correct answer: C. 23.75
Old sum = 9 x 25 = 225. New sum = 225 - 35 = 190. New count = 8. New average = 190/8 = 23.75.
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