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If 'A + B' means 'A is the mother of B', 'A ÷ B' means 'A is the father of B', and 'A × B' means 'A is the sister of B', then how is A related to D in the expression 'A + B ÷ C × D'?

Competition practiceBlood Relations
  • AGrandmother
  • BAunt
  • CMother
  • DGrandfather

Step-by-Step Solution

A is the mother of B; B is the father of C; C is the sister of D, so C and D are B's children. A is the mother of B, hence the grandmother of D.
Answer: A) Grandmother

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