A is the son of B. C is the daughter of B. D is the brother of B. How is D related to A?

  • A. Father
  • B. Uncle
  • C. Brother
  • D. Grandfather

Explanation

A and C are B's children, and D is B's brother, so D is the paternal or maternal uncle of A depending on B's gender. Since B's gender is not stated, the relationship is still uncle either way. The sibling of a parent is always an uncle or aunt.

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