SEQUENCES ANDSERIES9.79of the students of aclass form an A.P. whose co – InterviewSolution

1.	SEQUENCES ANDSERIES9.79of the students of aclass form an A.P. whose common difference is 4an6. The agesmonths. If the youngest student is 8 years old and the sum of the ages of all thestudents of the class is 168 years, find the number of students in the class.
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