How many different 7-letter words can be formed using the letters {A, B, C, D, E, F, G}...? - where can i get letter e vocabulary workshop answers
... where each letter can be used only once, and the letters C and D on the same floor together?
The letters do not form a common vocabulary word
10 points BEST ANSWER!
Friday, January 29, 2010
Where Can I Get Letter E Vocabulary Workshop Answers How Many Different 7-letter Words Can Be Formed Using The Letters {A, B, C, D, E, F, G}...?
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3 comments:
If C and D should not be together, there are 6 places between A, B, E, F, G for the production of C and D.
Thus, the words A, B, E, F, G can be arranged in 5! Average = 120
And the letters C and D may be arranged in a manner 6P2 (if known) permutations
= 6! / 4! = 30
Thus, a total of possibilities of arrangement of letters = 120 * 30 = 3600
Well, here is a problem, because the rules that you have specified ..
So you want to make of 7 letters and has only 7 letters. If the card is used once,
and ignoring the DC, this rule is simple.
You can choose 7 cards from the first letter, then 6 for 2, 5 for 3, etc., and
Answer 7!
With the C / D, you can not control all of the words at all, because he has enough letters.
Basically you can make or ABCEFG lyrics ABDEFG. If you do not reuse a letter
not exceeding 6 letter words, for a total of 6! + 6! 6 different four-letter words.
7! = 5040 words
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