-5/8 ÷ 9/10 A. -25/36 B. -9/16 C. -45/80 D. -1/36
2 answers:
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Answer: Number of distinct letter arrangements can be made from the letters of the word ‘ABBA’: =6
Number of arrangements start with A= 3
Number of arrangements finish with A =3
Step-by-step explanation:
Given word : ABBA
Total letters = 4
Number of A's = 2
Number of B's = 2
Number of ways to arrange n letters such that are line ,
are like ,
are like and so on :
So , the number of distinct letter arrangements can be made from the letters of the word ‘ABBA’:
When the word starts with A , then we need to arrange remaining three letters(BBA) :
Then , Number of arrangements start with A =
∴ Number of arrangements start with A =3
Similarly ,
Number of arrangements finish with A =
∴ Number of arrangements finish with A =3