SOLUTION: In how many ways can the letters of the word 'PROBABILITY' be arranged if
1)it begins with 'I'
2)it must start with a consonant and end witg a vowel
3)'A' must be exactly in the
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-> SOLUTION: In how many ways can the letters of the word 'PROBABILITY' be arranged if
1)it begins with 'I'
2)it must start with a consonant and end witg a vowel
3)'A' must be exactly in the
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Question 1024646: In how many ways can the letters of the word 'PROBABILITY' be arranged if
1)it begins with 'I'
2)it must start with a consonant and end witg a vowel
3)'A' must be exactly in the middle
You can put this solution on YOUR website! In how many ways can the letters of the word 'PROBABILITY' be arranged if
1)it begins with 'I'
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2 ways to place the I leaving 10 letters to arrange in 10!/(2!) ways
Ans: 2*10!/2! = 10!
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2)it must start with a consonant and end with a vowel
4 vowels ; 7 consonants
(4/2)(7/2) = 7 ways to place the 1st and last letters
9! ways to arrange the in between set
Ans: 7*9! arrangements
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3)'A' must be exactly in the middle
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I'll leave that to you.
Cheers,
Stan H.
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