In a row of girls, Chetna is 7th from the right and Neelam is 15th from the left. If both of them exchange their positions, then Chetna becomes 20th from the right. How many girls are there in the row ?
1
26
2
21
3
35
4
34
In a row of girls, Chetna is 7th from the right and Neelam is 15th from the left. If both of them exchange their positions, then Chetna becomes 20th from the right. How many girls are there in the row ?