10.Average of 17 students in a class is X.
When their marks are arranged in ascending
order it was found to be in Arithmetic
Progression. The class teacher found that
rank the students who ranked 15th, 11th, 9th
and 7th had copied the exam and hence they
are suspende(d) Now the average of the
remaining class is Y. Then
A.x=y
B.x>y
C.x
D.x=2y
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the answer is
a is 14
b is as 17 is bigger than 14
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