In a sequence of 8 numbers, the average of the 8 terms is 15 . If the average of the first three terms is 16 and the average of the next two terms is 15 , what is the average of the last three terms?
A.
12
B.
13
C.
14
D.
15
Exam No：2018 First Round Grade 3 Year：2018 Question No：28
Answer:
C
Knowledge points:
G3 - Arithmetic - Averages (Mean)
Solution:
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