Question

the number of girls is thrice of the boys.If the total number of students in a school is 1260, findbthe number of boys and girls in the school

Answer 1

Let the number of boys be a

Number of girls = 3a

According to question

Total students = 1260

3a +a = 1260

=> 4a = 1260

=> a = 315

Number of boys = 315

Number of girls = 945

Answer 2

Let be the no. of boys = x
According to question , x + 3*x = 1260
x + 3x = 1260
4x = 1260
x = 1260/4
x = 315
No. of boys = 315
No. of girls = 3*x i.e., 3*315
= 945