Question

A child wrote 1 to 366 serially in his note book. what is the total number of digits he had written?

Answer 1

Dear Student,

◆ Answer -

Total number of digits used in book = 990 digits

● Explaination -

Pege numbers used in a book are -

Single digit numbers = 1 to 9 = 9

Double digit numbers = 10 to 99 = 90

Triple digit numbers = 100 to 366 = 267

Therefore, total numbers of digits are -

Total digits = 9 × 1 + 90 × 2 + 267 × 3

Total digits = 990

Hence, child had written total 990 digits in his book.

Thanks dear. Hope this helps you...