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
How many boys are there in the class ?
I. The number of girls is 25% of the number of boys.
II. The ratio of the number of boys to that of girls is 5 :7.

Options

A. 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.
B. 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.
C. If the data either in statement I alone or in statement II alone are sufficient to answer the question. ay if the data in both statement I and II together are not sufficient to answer the question.
D. if the data in both statement I and II are not sufficient to answer the question.

Answer

D