MCQ
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
- ✓$\frac{2}{{25}}$
- B$\frac{9}{{100}}$
- C$\frac{{11}}{{100}}$
- DNone of these
✓
Answer
Correct option: A.
$\frac{2}{{25}}$
a
(a) Favourable ways $\{ 29,\,92,\,38,\,83,\,47,\,74,\,56,\,65\} $
(a) Favourable ways $\{ 29,\,92,\,38,\,83,\,47,\,74,\,56,\,65\} $
Hence required probability $ = \frac{8}{{100}} = \frac{2}{{25}}.$
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