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JEE MATHEMATICS MCQ: PERMUTATIONS

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The number of ways in which the letters of the word "STRANGE" can be arranged so that the vowels may appear in the odd places, is

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Correct option: A

1440

Option A (1440) is correct because the 2 vowels can be arranged in 4 odd places in

{P}(4,2)

ways and the 5 consonants can be arranged in the remaining 5 places in

{P}(5,5)

ways.

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