Given the numbers 1,3,5,5,7,7,7 a) Find out how many ways the numbers can be arranged. b) Find out how many numbers greater than 4,000,000 can be formed from the given digits.

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A: Dear student, If you find this solution helpful please upvote ? it.

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A: As per our company guidelines we are supposed to answer only first question. Kindly repost other par...

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