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goldiee negi

· started a discussion

· 1 Months ago

cnd ..how (Question: 110927.0 )

but sir we have to calculate avg or whole class and they mentioned that the resticated students were of 26 age .. then one of the resticated student readmitted i.e 26 age of student readmitted

Question:

The average age of all the 20 students of a class is 24. The minimum age of a student is 18 and the maximum age of another student in the same class is 30 years. When the two students whose average age was 26 years rusticated from the class but later on one of the rusticated student was readmitted. Now the average age of the class is :

Options:
A) 23.89 years 
B) 28.39 years
C) 25 years
D) can’t be determined
E) None of these
Solution:
Since we don’t know their ages individually so we cannot calculate the average of the class when a student of unknown age readmitted in the class.

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