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The average age of 15 students in a class is 22 years · If the age of the teacher is included, the average increases by 1 year · What is the age of the teacher?
36 years
38 years
40 years
42 years
38 years
Practice and solve "The average age of 15 students in a class is 22 years · If the age of the teacher is included, the av..." for RRB JE CBT-1 - Mathematics · The correct answer is Option B: 38 years · Detailed step-by-step solution, conceptual clarity, and formulas on Examoogle.
Practice and solve "The average age of 15 students in a class is 22 years · If the age of the teacher is included, the av..." for RRB JE CBT-1 - Mathematics · The correct answer is Option B: 38 years · Detailed step-by-step solution, conceptual clarity, and formulas on Examoogle.