18] There are 25 students in a class and the average of their ages is 15 years. The average age
of the first 12 students is 14 and the average age of the last 12 students is 16. If the age of
Amrutha is 5 years more than the age of 13th student, find the age of Amrutha.
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The age of first 12 student s =14
The age of last 12 students =16
Hence the age of amrutha is 15,because the first students ages is 12 then the last 12 students age is 16 then the amrutha's age will be 15.
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