A) \[\frac{44}{105}\]
B) \[\frac{11}{105}\]
C) \[\frac{11}{21}\]
D) None of these
Correct Answer: A
Solution :
Required probability \[=\frac{{}^{4}{{C}_{1}}\,.\,11}{{}^{15}{{C}_{2}}}=\frac{4\,.\,11\,.\,2}{15\,.\,14}=\frac{44}{105}.\]
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