Comprehension Passage
Direction: Read the following data carefully and answer the following questions:
In a school, the difference between the number of Girls and Boys students is 4000 and the ratio between the number of boys and girls students is 9: 11. The number of boys students who choose Computer is 50% less than the number of boys students who choose Maths. The ratio between the number of students who choose Maths and Computer is 21: 19.
Find the ratio between the number of girls students who choose Maths and number of Boys students who choose Computer.
1
1 : 3
2
2 : 3
3
2 : 1
4
3 : 2
5
1 : 4