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

A. 44 years

B. 45 years

C. 15 years

D. 46 years

Doubtly AI Asked 27 Oct 2026 AI-generated · not yet verified ssc chsl Save WhatsApp Report

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Answer: B. 45 years

Answer: (B) 45 years

Teacher's age \(= 31 \times 15 - 30 \times 14 = 465 - 420 = 45\) years.

Doubtly AI · 27 Oct 2026 AI-generated · not yet verified Report

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