Question:
If D is sister of E, F is sister of E and D is sister of G, then which of the following statements is definitely true?
If D is sister of E, F is sister of E and D is sister of G, then which of the following statements is definitely true?
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Sister relationship is symmetric: if D and F are both sisters of E, then D and F are sisters
Updated On: Apr 21, 2026
- E is sister of F
- G is sister of F
- E is sister of G
- F is sister of D
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The Correct Option is D
Solution and Explanation
Step 1: D is sister of E. F is sister of E. So D, E, and F are all sisters (same parents).
Step 2: D is sister of G, so G is also a sibling. However, gender of G is not specified (could be brother or sister).
Step 3: Since D and F are both sisters of E, they are sisters to each other. Statement (D) "F is sister of D" is definitely true. Other options depend on unspecified gender of G. Therefore, option (D) is correct.
Step 2: D is sister of G, so G is also a sibling. However, gender of G is not specified (could be brother or sister).
Step 3: Since D and F are both sisters of E, they are sisters to each other. Statement (D) "F is sister of D" is definitely true. Other options depend on unspecified gender of G. Therefore, option (D) is correct.
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