Category: Mathematics | Last updated: 2026-09-18

The average age of a class of 30 is 14 years. When a teacher aged 44 is included, the new average is:

A) 14.5

B) 14.8

C) 14.97

D) 15

Explanation

Total = 30×14+44 = 464. New avg = 464/31 ≈ 14.97. Close to 15.

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