The Total Number Of Digits Used In Numbering The Pages Of A Book Having 366 Pages Is (A) 732. (B) 850. (C) 990. (D) 1305.

The correct answer is (C) 990.

Given = Total number of pages = 366 pages.

Total number of digits = Number of digits in 1- digit page numbers + Number of digits in 2-digit page numbers + Number of digits in 3- digit page numbers

= (1 * 9 + 2 * 90 + 3 * 267)

= (9 + 180 + 801)

= 990.

Therefore, the total number of digits used in numbering the pages of a book having 366 pages is 990.

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