Home
Class 14
MATHS
The average ages of boys and girls in a ...

The average ages of boys and girls in a class is 14.5 years and 15 years respectively. If the ratio of the number of boys and girls is 2 : 3, then what is the average age(in years) of all students in the class?

A

15.2

B

15.4

C

14.8

D

14.6

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Similar Questions

Explore conceptually related problems

The average age of 30 boys in a class is 15 years. One boy aged 20 years, left the class, but two new boys came in his place whose ages differ by 5 years. If the average age of all the boys now in the class still remains 15 years, the age of the younger newcomer is:

The average age of 30 boys in a class is 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 :

The average age of 30 boys in a class is 15 years. One boy, aged 20 years, left the class, but two new boys came in this place whose age differ by 5 years. If the average age of all boys now in the class becomes 15 years, the age of the younger newcomer is :

The average age of all the students of a class is 22 years. The average age of boys of the class is 24 years and that of the girls is 20 years. If the number of girls in the clss is 30, then the find the number of studnets in the class.

There are 30 students in a class .The average age of the first 10 students is 12.5 years .The average age of the remaining 20 students is 13.1 years .What is the average age (in years ) of the students of the whole class ?

In a class, the number of boys and girls are distinct. The average age of all the student in the class equals the average of the average age of the boys and the average age of the girls. The sum of the average age of the boys and the average age of the girls is 10 years. Find the average age (in years) of the boys of the class