Question

A book contains 100 pages. A page is choosen at random, what is chance that the sum of digits on the page is equal to 9 एक पुस्तक में 100 पृष्ठ है, ऐच्छिक रूप से एक पृष्ठ का चयन किया जाता है, पृष्ठ पर अंको का योग 9 होने की प्रायिकता क्या है plz help me step by step explaine plz plz plz plz plz​

Answer 1

Step-by-step explanation:

Look at the numbers from 1 to 100 whose digits sum to 9.

9,18,27,36,45,54,63,72,81,90

There are 10 of them. There are 100 total.

Probability = 10/100=1/10