Posted by avm on Wednesday, September 23, 2009 at 8:57pm.
In how many ways can the letter of the word SECTION be arranged if the consonants must always be in the order in which they occur in the word itself?

Gr. 12 Data MAnagement  Reiny, Wednesday, September 23, 2009 at 9:06pm
without restrictions there would be 7! ways or 5040
The EIO can be arranged in 3! or 6 ways, but we want only one of these sequences.
so the number of arrangements is 5040/6 = 840
(somebody check my thinking on this)

Gr. 12 Data MAnagement  avm, Wednesday, September 23, 2009 at 9:07pm
thank you

Gr. 12 Data MAnagement  J, Tuesday, February 9, 2010 at 9:51pm
wrong its 210

Gr. 12 Data MAnagement  J, Tuesday, February 9, 2010 at 9:52pm
Don't know why, that's just what the back of the book says :s
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