The number of students enrolled in different streams in a college is shown in the following table.
|
Science |
Arts |
Commerce |
Vocational |
||||
|
Girls |
Boys |
Girls |
Boys |
Girls |
Boys |
Girls |
Boys |
|
35 |
18 |
25 |
47 |
45 |
40 |
10 |
30 |
The ratio of the total number of boys to that of girls in the college is:
1
1 : 1
2
23 : 27
3
13 : 12
4
27 : 23