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Part ACSIR NET December 2024siblings-share-a-parent

Siblings share a parent

If A is B's daughter, B is C's brother and D is C's father, then what is A to D?

  1. A.Grandfather
  2. B.Grandmother
  3. C.Grandson
  4. D.Granddaughter✓

You have the answer. Trap Analysis is why the other three were written.

Not a worked solution repeated four times — the specific reasoning error each wrong option was built to reward.

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