Each of the questions below consists of a question and two statements numbered I and II given below it. You have to decide whether the data provided in the statements are sufficient to answer the question. Read both the statements and give answer
1) if the data in statement I alone are sufficient to answer the question while the data in statement II alone are not sufficient to answer the question.
2) if the data in statement II alone are sufficient to answer the question while the data in statement I alone are not sufficient to answer the question.
3) if the data either in statement I alone or in statement II alone are sufficient to answer the question.
4) if the data even in both statements I and II together are not sufficient to answer the question.
5) if the data in both statements I and II together are necessary to answer the question.
How many girls are there in the class?
I. Rakhi’s rank in the class is 7th from the top and her rank in the class is 9th from the bottom.
II. No. of girls in the class is one less than the no. of boys.

Explanation

5