Question

    The average age of 26 smdents in a class is 15 years. If

    teacher's age is included in it, then the average will increase by one. What is the teacher's age (in years)?
    A 38 Correct Answer Incorrect Answer
    B 40 Correct Answer Incorrect Answer
    C 42 Correct Answer Incorrect Answer
    D 33 Correct Answer Incorrect Answer

    Solution

    ATQ,

    Total age of 26 students = 15×26=390 Total age with teacher = 16×27=432 Teacher's age = 432−390=42 Final Answer: The teacher is 42 years old. 

    Practice Next

    Relevant for Exams: