The number of permutations that can be made out of the letters of the word “EQUATION” which start with a consonant and end with a consonant is
A
2!6!
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B
3!6!
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C
3!5!
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D
2!5!
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Solution
The correct option is B3!6! Consonants occupy 2 ends in 3P2 ways remaining 6 letters occupy 6 places in 6! Ways
So the required number of arrangements = 3P2.6!=3!6!