A) \[\frac{9}{100}\]
B) \[\frac{90}{100}\]
C) \[\frac{10}{100}\]
D) \[\frac{20}{100}\]
Correct Answer: A
Solution :
\[\text{E}=\{\text{11},\text{22},\text{33},\text{44},\text{ 55},\text{66},\text{77},\text{88},\text{99}\}\] \[\Rightarrow \]\[n(E)=9\] \[\text{S}=\{\text{1},\text{ 2},\text{ 3},\text{ }.......\text{ 1}00\}\text{ }\Rightarrow \text{ n(s)}=\text{1}00\] \[\therefore \]\[p(E)=\frac{9}{100}\]
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