The amount Neeta and Geeta together earn in a day equals what Sita alone earns in 5 days. The amount Sita and Neeta together earn in a day equals what Geeta alone earns in 4 days. The ratio of the daily earnings of the one who earns the most to that of the one who earns the least is
1
15 : 4
2
19 : 5
3
5 : 19
4
4 : 15