The number of permutation that can be made out of the letters of the word "MATHEMATICS" when the relative positions of vowels and consonants remain un altered is
A
3×7!
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B
2×7!
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C
7!
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D
4×7!
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Solution
The correct option is A3×7! Since we have to keep the position of vowels and consonants fixed while arranging, we will arrange them individually ∴ Required number of ways is 4!2!×7!2!×2!=3×7!