Question

29. The average age of students of a class is 15.8 yr. The average age of boys in the class is 16.4 yr and that of the girls
is 15.4 yr. Find out the ratio of the number of boys to the number of girls in the class.​

Answer 1

Answer:

1.11 is your answer put in a like

Answer 2

Answer:

Let number of boys = x , Let number of girls = y

Total numbers of students = x + y

(x + y) × 15.8 = 16.4x + 15.4y

0.6x = 0.4y

x/y = 0.4/0.6 = 2/3

Ratio of boys and girls in the class is 2:3