A) 72
B) 48
C) 96
D) None of these
Correct Answer: C
Solution :
The required number of words is \[{{(}^{2}}{{C}_{1}}{{\times }^{4}}{{C}_{2}}{{+}^{2}}{{C}_{2}}{{\times }^{4}}{{C}_{1}})3\ !\ =96\].
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