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The average age of 40 students of a class is 16 years. After admission of 10 new students to the class, the average becomes 15 years. If the average age of 5 new students is 11 years then average age (in years) of the remaining 5 new students is

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New Syllabus Of Class 10 Boards for 2021-22 Session

New Syllabus Of Class 10 Boards for 2021-22 Session

New Syllabus Of Class 10 Boards for 2021-22 Session

The average age of 10 students in a class is 20 years if a new student is also included then the new average age of all the students increases by 1 year.The age of the new student is:

Average age of 17 student of a class is 16 years. If a new student join the class then average age becomes 20. Then find the age of new student.