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The average age of 30 students in a class is 15 years. If 6 students of this class have the average age of 16 years, then the average age of the remaining 24 students would be (a) 14 years (b) 14 years 3 months (c) 14 years 6 months (d) 14 years 9 months

A class has two sections, in one of which there are 40 students with an average of 14.5 years and the average of the class is 14 2 years. If there be 32 students in the other section its average age is:

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