Engineering Board Exam Reviewer · Permutations · medium

From a group of 8 people, in how many ways can a chairperson, secretary, and treasurer (distinct roles) be selected?

  1. 336
  2. 56
  3. 168
  4. 512

Answer

A. 336

Solution

P(8,3)=8×7×6=336.

More Permutations questions

  1. In how many ways can 6 different books be arranged on a shelf?
  2. How many ways can a president, vice president, and secretary be chosen from a club of 10 members (distinct roles)?
  3. In how many ways can the letters of the word "NUMBER" be arranged?
  4. In how many distinct ways can the letters of the word "STATISTICS" be arranged?
  5. How many ways can 4 men and 3 women be seated in a row if the 3 women must sit together?
  6. In how many ways can 5 people be arranged in a row if two particular people must NOT sit next to each other?
  7. How many distinguishable permutations are there of the letters in "MISSISSIPPI"?

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