Allied & ICAR Exam Bank • ALLIED_1387 MCQ • 1 Mark

Section 8: General Aptitude

Quantitative Aptitude

Subtopic: Numerical Computation

Question Statement:

The average age of 24 students in a class is 15 years. If the teacher's age is included, the average age increases by 1 year. The age of the teacher is:

Options:

  • (A) 40 years
  • (B) 38 years
  • (C) 42 years
  • (D) 36 years

Answer Key:

A

Step-by-Step Solution & Explanation

Sum of 24 students = $24 \times 15 = 360$. Sum with teacher (25 people) = $25 \times 16 = 400$. Teacher's age = $400 - 360 = 40$ years.
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