Bindi posted an Question
September 01, 2021 • 08:17 am 30 points
  • CSIR NET
  • Mathematical Sciences

Part a the number of digits you have to type to write all the page numbers of a book starting from 1 (tirst page) is 2019. what is the number of pages in that b

PART A The number of digits you have to type to write all the page numbers of a book starting from 1 (tirst page) is 2019. What is the number of pages in that book ? (1) 609 (2) 610 (3) 709 (4) 710

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  • Anonymous User

    1 to 9 9page 9 digit. 10 to 99 90 page 180 digit . remaining digit 2019-180-9=1830 so three digit numbers 610 therefore total page 610+90+9=709

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