AI MCQ #211: uniform-cost search expands the node n with the __________

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Q211. uniform-cost search expands the node n with the __________

  • a) Lowest path cost
  • b) Heuristic cost
  • c) Highest path cost
  • d) Average path cost

✅ Correct Answer: A) Lowest path cost

Explanation: Uniform-cost search expands the node n with the lowest path cost. Note that if all step costs are equal, this is identical to breadth-first search.