railway RRB NTPC Mock Test Series 2024-25 (CBT 1 + CBT 2) Logical Reasoning Data Sufficiency Blood Relations
You are given a question and two statements. Identify which of the statements is/are necessary/sufficient to answer the question.
Question:
How is Y related to T, in a 4 member family of X,Y,Z and T.
Statements:
1. Z is the daughter of X.
2. Y is the only son of T, who has 2 children. X is the mother of Z.
1
Both 1 and 2 together are sufficient
2
2 alone is sufficient while 1 alone is not sufficient
3
1 alone is sufficient while 2 alone is not sufficient
4
Either 1 or 2 alone is sufficient