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Exactly 1890 digits are used to number the pages of a book. How many pages does it have?

Competition practiceNumber System, HCF & LCM
  • A666
  • B630
  • C667
  • D699

Step-by-Step Solution

Pages 1–99 use 9 + 180 = 189 digits. The remaining 1890 − 189 = 1701 digits give 1701 ÷ 3 = 567 three-digit pages. Total 99 + 567 = 666.
Answer: A) 666

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