Comprehension Passage
The following table shows the percentage of students (Boys and Girls) who have successfully completed their respective academic programmes, namely, B.A., B.Sc., B.Com., B.B.A., B.C.A. and B.Tech. in a college. Based on the data in the table, answer the questions :
Programme wise Percentage of Successful Students
| Programme |
Boys |
Girls |
|
B.A. |
80% |
60% |
|
B.Sc. |
80% |
70% |
|
B.Com. |
40% |
60% |
|
B.B.A. |
90% |
60% |
| B.C.A. | 70% | 80% |
| B.Tech. | 70% | 60% |
If the ratio between the number of boys to the number of girls in B.C.A. programme is 4 : 1, then what is the ratio between the number of boys who have successfully completed B.C.A. to the number of girls who have successfully completed B.C.A.?
1
9 ∶ 4
2
9 ∶ 5
3
6 ∶ 7
4
7 ∶ 2