The number of boys and girls in a school at 360 and 240 respectively. What is the ratio of number of boys to total students?

1.5

3.4

4.5

3.5

The total number of students in the school is 360 boys + 240 girls = 600 students.

The ratio of the number of boys to the total number of students is 360/600 = 3/5.

This can also be written as a fraction as 3:5 or as a decimal as 0.6.