Each of the questions below consists of a question and two statements numbered I,II and III given below it. You have to decide whether the data provided in the statements are sufficient to answer the question.
How is Sanjeev related to Radha ?
I. Sanjeev is the son of Radha's grandfather's only daughter
II. Sanjeev has no siblings.
III. Radha has only one brother.

Options

A. Only I and II
B. Only I and III
C. Only II and III
D. Only I and either II or III

Answer

A

Explanation

From statement I:
Sanjeev `to` son of Radha.s grandfather.s only daughter.
From statement II :
Sanjeev has no siblings.
From statement III :
Radha has only one brother.
From (I) & (III), we get

So, Sanjeev `to` cousin of Radha.
From (I) & (II), we get
Sanjeev `to` Either brother or cousin of Radha
Therefore, only statements I and II are sufficient.