The ratio of boys and girls among 480 students of class X and 780 students of class XII is 5 : 7 and 16 : 23 respectively. The ratio of girls to the total students combinedly for classes X and XII is:
1
26 : 37
2
37 : 26
3
63 : 37
4
37 : 63
The ratio of boys and girls among 480 students of class X and 780 students of class XII is 5 : 7 and 16 : 23 respectively. The ratio of girls to the total students combinedly for classes X and XII is: