The number of words from the letters of the word $'RAJASTHAN' $ by taking all the letters at a time in which vowels are alternate, are
The number of words from the letters of the word $'RAJASTHAN' $ by taking all the letters at a time in which vowels are alternate, are
- A
$6! × ^7C_3$
- B
$6 × 7!$
- C
$5 × 6!$
- D
$6 × 6!$
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