Question

If all the digits used to number the pages of a book were cut out tossed into a box, there would be a total of 192 digits. How many pages did the book have?

Answer 1

hot answer is right

Answer 2

Answer:

Total 1 digit numbers = 9

Total 2 digit numbers = 90

So, 90*2 = 180 digits (we multiplied by 2 as it is 2 digit number)

     9*1 = 9

180 + 9 = 189.

Now, we have 189 digits and pages = 90 + 9

So, total p[ages we got yet is 99 pages.

Digits left = 192 - 189

                = 3

Now, after 99, comes 100

and 100 also has 3 digits.

Therefore, now we have 192 digits and pages will be 99 + 1 = 100

Therefore, this book has 100 pages.

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