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JEEMAIN and NEET
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Mathematics
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Class11
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Permutations and Combinations
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The total no. of words that can be formed using the alphabets $a,b,c,d,e,f$ taking 3 at a time so that each word has atleast one vowel is ?
$\begin{array}{1 1} 48 \\ 72 \\ 96 \\ 120 \end{array}$
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