Which piece of information given in the alternatives will additionally be required to answer the following question?
Question:
All the students passed in a class and all obtained a unique rank. Sushma got 7th rank and there are 4 boys ahead of her and the 9 girls behind her. According to the given statements, find the correct alternatives.
1
There are 2 girls ahead of Sushma
2
The ratio of the number of girls to the number of boys is 2 ∶ 3
3
The number of boys is more than the number of girls in the class
4
A girl ranked first in the class is Rekha.