A) \[\frac{1}{2}\]
B) \[\frac{2}{5}\]
C) \[\frac{3}{10}\]
D) \[\frac{5}{9}\]
Correct Answer: A
Solution :
[a] No. of cards =10 |
Cards with prime number \[=2,3,5,7,11\] |
\[\therefore \] Required probability \[=\frac{5}{10}=\frac{1}{2}\] |
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