The ratio of boys to girls in a school is 9 : 5. If the total number of students in the school is 1050, then the number of boys is:
Answer & explanation
Correct answer: option 2
The correct answer is Option (2) → 675
In the ratio 9 : 5, every 14 students (9 + 5) contain 9 boys, so the boys are \(\frac{9}{14}\) of the total.
Number of boys \(\displaystyle =\frac{9}{14}\times1050=9\times75=675\)