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Consider the Question and two Statements given below:

Question : Is Z brother of X?

Statement-1 : X is a brother of Y and Y is a brother of Z.

Statement-2 : X, Y and Z are siblings.

Which one of the following is correct in respect of the Question and the Statements?

This question was previously asked in
UPSC Civil Services Prelims (CSAT) Official Paper-II (Held On: 5 June 2022)
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  1. Statement-1 alone is sufficient to answer the Question
  2. Statement-2 alone is sufficient to answer the Question
  3. Both Statement-1 and Statement-2  are sufficient to answer the Question
  4. Both Statement-1 and Statement-2 are not sufficient to answer the Question

Answer (Detailed Solution Below)

Option 4 : Both Statement-1 and Statement-2 are not sufficient to answer the Question
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Detailed Solution

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Option(4) is correct.

family

From both statements, we are not able to find the gender of Z.

9

So, Z may be the sister or maybe brother of X.

Hence the correct answer is an option(4), i.e., Both Statement-1 and Statement-2 are not sufficient to answer the question.

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