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June 2007, Game 3, Question 13

The content provides a detailed walkthrough on solving a specific type of GRE logic puzzle, focusing on 'could be true' local questions and the strategic approach to sketching solutions.
  • Local questions often necessitate creating a new sketch to visualize potential solutions.
  • Placing a specific variable in a predetermined slot can have immediate effects on the placement of other variables due to the puzzle's rules.
  • Exploring different configurations for variable blocks and chains is crucial to identifying all possible solutions.
  • After sketching out scenarios, evaluating each answer choice against the sketches allows for the identification of the correct answer.
  • Stopping the evaluation process once the correct answer is found is recommended, though further analysis can be educational.
Introduction to Local Questions
Sketching and Immediate Effects
Exploring Variable Configurations
Evaluating Answer Choices