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College Math Competitive Exam MCQs – Practice Test 5 (Chapter 8)

Permutations, Combinations and Probability MCQs with Answers PDF Download – Test 5

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Download the "Permutations, Combinations and Probability MCQs" App: 1/(n+2)(n+1)n =; MCQ with answers: (n+2)ι/(n-1)ι, nι, (n+2)ι, and (n-1)&iota/(n+2)&iota. Solve Triple Angle Identities Quiz Questions, download Google e-Book (Free Chapter) for best GRE prep courses online.

Permutations, Combinations & Probability MCQs – Practice Test 5 PDF Download

MCQ 21: The value of n-1Cr-2 + n-1Cr-1 is:

  1. n+1Cr
  2. n-1Cr
  3. n-1Cr
  4. nCr-1

MCQ 22: 1/(n+2)(n+1)n =:

  1. (n+2)ι/(n-1)ι
  2. (n+2)ι
  3. (n-1)ι/(n+2)ι

MCQ 23: The letters of the CANADA taken all at a time can be written in:

  1. 2 ways
  2. 6 ways
  3. 24 ways
  4. 720 ways

MCQ 24: npr:

  1. nι/(n-r)ι
  2. (n-r)ι/nι
  3. nι/(n+r)ι
  4. nι/(n-r)ιrι

MCQ 25: The number of words that can be formed out of the letters of the word LOUISIANA is:

  1. 9ι/3ι.2²ι
  2. 9ι.3ι.2²ι
  3. 9ι.3ι.2ι.2ι
  4. 9ι/3ι.2ι.2ι

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