7 Find the number of different ways in which all 9 letters of the word MINCEMEAT can be arranged in each of the following cases.
- There are no restrictions.
- No vowel (A, E, I are vowels) is next to another vowel.
5 of the 9 letters of the word MINCEMEAT are selected. - Find the number of possible selections which contain exactly 1 M and exactly 1 E .
- Find the number of possible selections which contain at least 1 M and at least 1 E .
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