Question

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

• A. $\frac { 2 } { 25 }$
• B. $\frac { 9 } { 100 }$
• C. $\frac { 11 } { 100 }$
• D. None of these

Answer 1

Answer: (A)

$\frac { 2 } { 25 }$

Answer 2

Favourable ways $\{ 29,92,38,83,47,74,56,65 \}$

Hence required probability