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How few straight lines are needed to draw the zigzag frame: two rails, two end lines and the zigzag between them?

Competition practiceCounting Figures
  • A4
  • B6
  • C9
  • D8

Step-by-Step Solution

2 rails, 2 end lines and 4 zigzag strokes; no two strokes lie on one line: .
Answer: D) 8

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