GATE ME 2019 Set 1 — Question 10
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General Aptitude → Analytical Aptitude → Numerical Relations & Reasoning
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Question
and had four children , , and . Of them, only and were married. They had children and respectively. If is a legitimate child of , which one of the following statements is necessarily FALSE?
Correct answer
(D) W is the wife of P
Solution
From the problem statement:
1. and are the parents of four children: and .
2.Only and are married. The mention of children and 'respectively' indicates that is the parent of and is the parent of in separate marital units.
3. is a legitimate child of . Since is also the child of , and must be the parents of . For to be a legitimate child, must be the spouse of .
Evaluating the statements:- (A) is the grandmother of : This is possible if is the mother of . It is not necessarily false.
- (B) is the father of : This is possible if is male. It is not necessarily false.
- (C) is the wife of : This is possible if is male and is female. It is not necessarily false.
- (D) is the wife of : Since is the spouse of , and is the sibling of , cannot be the wife of (assuming monogamy and that siblings are not married to each other). Therefore, this statement is necessarily FALSE.
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