Are you looking for correct answer of In a class there are 40 boys and their average age…? Here we have shared detailed answer with explanations.
In a class, there are 40 boys and their average age is 16 years. One boy, aged 17 years, leaving the class and another joining, the average age becomes 15.875 years The age of the new boy is :
- A. 12 years
- B. 14.5 years
- C. 15 years
- D. 17 years
Answer: Option A
Here is complete explanation of In a class there are 40 boys and their average age….