Page by Page Analysis of NCERT

A book contains 85 pages. A page is chosen at random. What is the probability that the sum of the digits on the page is 8?

A book has 999 pages. If a page is opened at random the probability that the sum of the digits in its number is 9, is

A book contains 1000 pages.A page is chosen at random.Find the probability that the sum of the digits of the marked number on the page is equal to 9.

Which of the following tells you the page you are on and the total page count?

The pages of a book are numbered from 1to n.When the page numbers of the book were added together one of the page number was added twice resulting in the incorrect sum of 1986.If the number on the page that was added twice is lambda then lambda is.

A 60-page book has n lines per page. If the number of lines were reduced by 3 in each page, the number of pages would have to be increased by 10 to give the same writing space. What is the value of n ?

The pages of a book are numbered from 1to n.When the page numbers of the book were added together one of the page number was added twice resulting in the incorrect sum of 1986 .If the number on the page that was added twice is lambda then lambda is.

The pages of a book are numbered from 1to r .When the page numbers of the book were added together one of the page number was added twice resulting in the incorrect sum of 1986 .If the number on the page that was added twice is lambda then lambda is.