The total number of digits used in numbering the pages of a book having 232 pages is
582
509
588
624
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Explanation
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Total number of digits
= (No. of digits in 1- digit page nos. + No. of digits in 2-digit page nos. + No. of digits in 3- digit page nos. + No. of digits in 4- digit page nos.)
= ( 1 x 9 + 2 x 90 + 3 x 133) = 588.
The total number of digits used in numbering the pages of a book having 232 pages is
