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MAT Permutations and Combinations — practice questions

Explore 2 free Permutations and Combinations questions in MAT Mathematicalability. Open each question or exercise to read its content, reference answers and available explanation.

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Permutations and Combinations questions and exercises with answers

Showing questions 1–2 of 2.

Number of permutations of letters in WORD:Read the answer and worked solution →Number of ways to choose 2 items out of 5:Read the answer and worked solution →

Worked practice questions

Number of permutations of letters in WORD:

  1. 24
  2. 12
  3. 4
  4. 120
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Correct answer: A. 24

1. 4 distinct letters: 4! = 4·3·2·1. 2. = 24. _Source: TSICET 2024 PYQ Q.124 (Shift 1, Permutations)_

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Number of ways to choose 2 items out of 5:

  1. 10
  2. 20
  3. 5
  4. 25
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Correct answer: A. 10

1. C(5,2) = 5!/(2!·3!) = 10. 2. = 10. _Source: TSICET 2024 PYQ Q.125 (Shift 1, Combinations)_

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