The ratio of boys and girls in a college was 4 : 5. New students got admitted and the number of boys went up by 50% and the number of girls went up by 60%. What is the new ratio of boys and girls in the college?

3 : 5 3 : 4 5 : 8 2 : 3

3 : 4

Boys : Girls  4     :   5 ⇒ 4 x 150% : 5 x 160% ⇒ 6 : 8 = 3 : 4