Average age of boys in a class is 16 years and average age of girls is 15 years, what is the average age of all
Choose the correct choice
A) 15.5  B) 15  C) 16  D) 17  E) Cant be computed
Explanation:   As number of girls and boys is not given so result cant be computed   Option 17
<result>D</result>
Average age of boys in a class is 16 years and average age of girls is 15 years, what is the average age of all