Question

In a certain school, the ratio of boys to girls is 5 ∶ 7. If there are 2400 students in the school, then how many girls are there?

• A. 1000
• B. 1200
• C. 1600
• D. 1400

Answer 1

Answer:

D. 1400

Given∶ 

Total number of students = 2400

Let Girls be 7x and Boys 5x.

Total Students be 5x+7x=12x

Calculation

Total Students = 12x = 2400

X= 200

Number of girls = 7x$=7\times200=1400$

The answer is 1400