engineering intelligence MCQ #282

The average age of 30 students is 14 years. If the teacher's age is included, the average becomes 15 years. What is the teacher's age?

engineering intelligence MCQ #282

  1. Question 1

    Q1. The average age of 30 students is 14 years. If the teacher's age is included, the average becomes 15 years. What is the teacher's age?

    • A) 45
    • B) 40
    • C) 42
    • D) 35

    Answer: 45

    Explanation: Total age of 30 students = 30 * 14 = 420. With teacher, total age = 31 * 15 = 465. Teacher's age = 465 - 420 = 45.