The question below consists of a question and statements. You have to decide whether the data provided in the statements are sufficient to answer the question and based on this give answer.

Question: How is K related to C?

Statement:

I. C is mother of J who is sister of K and mother of L.

II. L has no brother. L is sister of U.

  1. All statements are required
  2. Only I is required
  3. Only II is required
  4. Both are insufficient to answer the given question

Answer (Detailed Solution Below)

Option 4 : Both are insufficient to answer the given question
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RRB Group D Full Test 1
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Detailed Solution

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The table below contains symbols used to denote the relationship between any two individuals.

The following information is given in statement 1:

  • C is the mother of J
  • J is the sister of K
  • J is the mother of L

 

Thus, here the gender of K is not clear. 

K could be the brother or sister of J.

Therefore, statement 1 is not sufficient.

The following information is given in statement 2:

  • L has no brother
  • L is the sister of U.

 

Using statements 1 and 2:

K can be son or daughter of C (as the gender of K is not known)

Hence, both are insufficient to answer the given question.

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