#9 Puzzle Challenge

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Across
  1. 3. – Knowledge test.
  2. 4. – Correct reply.
  3. 7. – Smart thinking.
  4. 8. – Helpful hint.
Down
  1. 1. – Brain game.
  2. 2. – Try without knowing.
  3. 5. – Tricky question.
  4. 6. – Fun facts.