Number of boys and girls in class are in ratio 2:3 . Three new boys are admired and three girls are removed from the class . Then their ratio become 1:1. What is the total number of students in the class. In simple way, for seventh standard
Answers
Answered by
0
Step-by-step explanation:
let the total number of student be x
2x +3/3x-3 =1/1
2x+3 =3x-3
x= 6
no. of boys and girls are 12 and 18 respectively
hence total no of student is 30
Similar questions