Question : 60% of the students in a school are girls. If the total number of girls in the school is 690, find the total number of students in the school. Also, find the number of boys in the school.
Subject

Mathematics

Standard

Class 8

Views

2044

Asked By

Knowledge

Emily
Answer / Solution

Let the total number of students in the school be x, then 60% of x = 690.

Now we solve the expression and get the value of x i.e.

60/100 × x = 690

x = 690 × 100 / 60 = 150 

Therefore, the total number of students in the school = 1150.

Hence the number of boys in a class = 1150 – 690 = 460.


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