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in how many ways letters of 7 english alphabets arranged between A and B without repetition
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- A - - - - - - - B
Because the letters should not be repeated.there will be 24 alphabets left(Excluding A and B).
so select any 7 letters from 24 letters.this can be done in 24 c 7 ways.and arraging them will take 7! ways.so in total we will get 24 c 7 *7!.
- 9 years agoHelpfull: Yes(4) No(1)
- A B C D E F G ----ARE 7 WORDS
MEANS 6!=720
A AND B WITH OUT REPETITION MEANS 7 C 2=42
THEN..............720*42=30,240 - 9 years agoHelpfull: Yes(0) No(6)
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