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Answer : 1 4320 Explanation : Answer: A) 4320 Explanation: Given Word is PROMISE.Number of letters in the word PROMISE = 7Number of ways 7 letters can be arranged = 7! waysNumber of Vowels in word PROMISE = 3 (O, I, E)Number of ways the vowels can be arranged that 3 Vowels come together = 5! x 3! ways Now, the number of ways of arrangements so that three vowels should not come together= 7! - (5! x 3!) ways = 5040 - 720 = 4320.

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