Question

the total number of digits used in numbering the pages of a book having 366 pages is

Answer 1

Answer:

Step-by-step explanation:

No of 1 digit =9

No of 2 digits = 90 (10 to 99). 90*2=180

No of 3 digits = 267 (100 to 366). 267*3=801

On adding 9+180+801= 990

Thus, total number of digits used is 990.

Answer 2

Given:

A book have 366 pages.

To find:

The total number of digits used in numbering the pages.

Solution:

No of 1 digit used =9

No of 2 digits used= from 10 to 99 = 90*2=180

No of 3 digits used = from 100 to 366 = 267*3=801

Total number of digits used in numbering the pages 9+180+801= 990

Hence, total number of digits used is 990.