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solve for the Natural n, 12.(n-1)P3 = ...

solve for the Natural n,
`12.(n-1)P_3 = 5.(n+1)p_3`

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MAXIMUM PUBLICATION-PERMUTATION AND COMBINATIONS-EXAMPLE
  1. A student is Instructed to answer any 8 out of 12 questions. How man...

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  2. A student is Instructed to answer any 8 out of 12 questions. How ma...

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  3. solve for the Natural n, 12.(n-1)P3 = 5.(n+1)p3

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  4. In how many ways can 7 athletes be chosen out of 12?

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  5. The English alphabets has 5 vowels and 21 consonants. How many words w...

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  6. Find r if 5Pr =6p(r-1)

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  7. If there are 12 persons in a party and each of them shake hands with a...

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  8. In How many ways can a committee of 3 men and 2 women be selected out ...

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  9. Find the value of n such that 3nP4 = 5.(n-1)P4 , n>4

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  10. In how many ways can 5 students be seated on a bench?

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  11. Find the number of different 8-letter arrangements that can be made fr...

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  12. Find the number of different 8-letter arrangements that can be made fr...

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  13. Determine n if 2nC3 = 11 n C3

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  14. In how many ways can a cricket team of 11 of players be selected from ...

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  15. A bag contains 5 white, 6 red and 4 blue balls. Determine the number o...

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  16. The number of 3 digit numbers can be formed from the digits 1,2,3,4,5 ...

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  17. if 1/(6!) +1/(7!) = x/(8!) , find x.

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  18. How many words, with or without meaning, can be formed using all the l...

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  19. If nC7 = nC5 , n = ……….

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  20. A bag contains 5 blue and 6 white balls. Determine the number of ways ...

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