CBSE Class 11-science Answered
The number of arrangements which can be made out of the letters of the word ALGEBRA, without changing the relative order(positions) of vowels and consonents.
Asked by JAYACHANDRAN B | 27 Mar, 2012, 08:03: PM
Expert Answer
here three vowels have to be placed at 1st , 4th and 7th position and the consonants are to be placed at other remaining positions .
So , number of arangements = fact(3)/fact(2) * fact(4) = 72 { fact(2) is becose of 2 A's }
Answered by | 28 Mar, 2012, 10:29: AM
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