A) \[\frac{1}{7}\]
B) \[\frac{2}{7}\]
C) \[\frac{3}{7}\]
D) \[\frac{4}{7}\]
Correct Answer: A
Solution :
Required probability \[=\frac{{}^{3}{{C}_{1}}}{{}^{7}{{C}_{1}}}\times \frac{{}^{2}{{C}_{1}}}{{}^{6}{{C}_{1}}}=\frac{1}{7}\].
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