Are you looking for correct answer of The average age of 30 boys in a class in 15…? Here we have shared detailed answer with explanations.
The average age of 30 boys in a class in 15 years. One boy, aged 20 years, left the class, but two new boys came in his place whose age differs by 5 years. If the average age of all the boys now in the class becomes 15 years, the age of the younger newcomer is :
- A. 20 years
- B. 15 years
- C. 10 years
- D. 8 years
Answer: Option B
Here is complete explanation of The average age of 30 boys in a class in 15….
