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.
Is Harendra, the only child of Surendra ?
I. Surendra's sister has only one nephew.
II. Ravindra is the only sibling of Harendra.

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 Il alone are sufficient to answer the question
D. if the data given in both statements I and II together are not sufficient to answer the question

Answer

B

Explanation

From statement I:
has Surendra.s sister `overset("has")rarr` only one nephew. So, Surendra.s sister may or may not have niece. So, statement I alone is not sufficient.
From statement II.
Only sibling of Harendra `to` Ravindra. So, it is clear that Harendra is not the only child. So, statement II alone is sufficient.
Therefore, the data in statement II alone are sufficient to answer the given question.