A) \[\frac{3}{5}\]
B) \[\frac{3}{10}\]
C) \[\frac{4}{5}\]
D) \[\frac{1}{2}\]
Correct Answer: A
Solution :
Required probability \[=\frac{{}^{12}{{C}_{1}}}{{}^{20}{{C}_{1}}}=\frac{3}{5}.\]
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