1. The average age of a class of 35 students is 14 years. If the teacher's age is included,
the average age increases by one year. Find the age of the teacher.
ntudonte is 60 If the highest mark is excluded, the average.
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Since, the average age of a class of 35 students is 14 years. = 36 persons, Thus, the total sum of the age of class ( included teacher ) = 15 × 36 = 540. = 50 years.
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