On a platform, the total number of passengers is 76, (1/4) of them are female. A train comes on the platform and 50% of passenger go on the train in which the number of females is 8, find the ratio of the number of females left on the platform and the number of boys left on the platform.
1
27 ∶ 11
2
11 ∶ 27
3
23 ∶ 11
4
11 ∶ 30