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?

NCERT Discussion|NCERT Discussion|Summary

NCERT Discussion|NCERT Discussion|Summary

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

A mathematics book contains 250 pages. A page is selected at random. What is the probability that the number on the page selected is a perfect square?

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?