In a row of girls, Rathna who is 10th from the left and Vanitha who is 9 from the right interchange their seats then Rathna will be 15 from the left. How many girls are there in the row ?
1
32
2
25
3
23
4
16
In a row of girls, Rathna who is 10th from the left and Vanitha who is 9 from the right interchange their seats then Rathna will be 15 from the left. How many girls are there in the row ?