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AS permutation & combination questions .help required!

1) The word EXAMPLE contains 7 letters(objects). Take the 2 'E's as one object since they are together. Therefore there are 6 objects now. The answer is 6! = 720 because the 2 'E's taken as one object cannot be interchanged. 2) (i) The diff. ways in which these six ppl can be arranged if each...
- Helper N
- Post #2
- Apr 24, 2010
- Forum: A-Levels

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