2025 Uncategorized - Uncategorized

What is the unit digit in the multiplication of 1 x 3 x 5 x 7 x 9 x ... x 999 ?

  • 1
  • 3
  • 5
  • 9

Want to see the 360° AI Analysis?

Sign up for a free 7-day trial to see option elimination logic, concept maps, and AI-graded model answers for this question.

View Interactive Analysis