Page by Page Discussion 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?

There are 160 pages in a book 15% of the pages have pictures on them. How many pages do not have pictures on them?

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.

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

From a book containing 100 pages, one page is selected randomly. The probability that the sum of the digits of the page number of the selected page is 11, is

Mathematics textbook for Class VI has 320 pages.The chapter 'symmetry runs from page 261 to page 272. The ratio of the number of pages of this chapter to the total number of pages of the book is:

A Class IX English book contains 200 pages. A page is selected at random. What is the probability that the number on the page is divisible by 10?

A magazine contains 20 pages. A page is selected at random. The probability that the page selected is either three or thirteen is

An English book contains 130 pages. A page is selected at random. What is the probability that the number on the page is divisible by 25?