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The mean age of 25 students in a class is 12. If the teacher's age is included, the mean age increases by 1. The teacher's age (in years) will be? for Class 7 2024 is part of Class 7 preparation. The Question and answers have been prepared according to the Class 7 exam syllabus. Information about The mean age of 25 students in a class is 12. If the teacher's age is included, the mean age increases by 1. The teacher's age (in years) will be? covers all topics & solutions for Class 7 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for The mean age of 25 students in a class is 12. If the teacher's age is included, the mean age increases by 1. The teacher's age (in years) will be?.

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