Study the table given below and answer the question that follows.
The table below shows the total number of students studying different subjects in a college and the percentage of boys and girls.
|
Subject |
Number of Students |
Percentage of Girls |
Percentage of Boys |
|
Hindi |
110 |
60 |
40 |
|
English |
70 |
50 |
50 |
|
Physics |
50 |
30 |
70 |
|
Chemistry |
40 |
80 |
20 |
|
Mathematics |
80 |
20 |
80 |
|
Computers |
90 |
40 |
60 |
What is the ratio of the total number of girls in all the subjects to that of boys in all the subjects?
1
5 ∶ 6
2
7 ∶ 9
3
6 ∶ 7
4
2 ∶ 3