A) \[\frac{12}{35}\]
B) \[\frac{6}{35}\]
C) \[\frac{4}{35}\]
D) None of these
Correct Answer: A
Solution :
Required probability \[=\frac{{}^{9}{{C}_{2}}}{{}^{15}{{C}_{2}}}=\frac{9\times 8}{15\times 14}=\frac{12}{35}.\]
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