A) \[\frac{1}{2}{{\,}^{10}}{{C}_{5}}.\]
B) \[^{10}{{C}_{5}}\]
C) \[^{10}{{C}_{4}}\]
D) none of these
Correct Answer: A
Solution :
Vowels E E E E select 4 places in \[^{9}{{C}_{4}}\]ways arrange consonants alphabetically \[\therefore \]\[^{9}{{C}_{4}}=126=\frac{1}{2}{{\,}^{10}}{{C}_{5}}\]
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